Index to Lords, Barons and Baronesses - by Patent

Baronies created by letters patent (as opposed to the older form of creation by writ).

Lord Aberbrothwick    [Scotland, 1608]
  1st: James Hamilton (5 May 1608-2 Mar 1625)
  2nd: James Hamilton (2 Mar 1625-9 Mar 1649)

Baron Aberconway    [United Kingdom, 1911]
  1st: Charles Benjamin Bright McLaren (21 Jun 1911-23 Jan 1934)
  2nd: Henry Duncan McLaren (23 Jan 1934-23 May 1953)
  3rd: Charles Melville McLaren (23 May 1953-4 Feb 2003)
  4th: Henry Charles McLaren (4 Feb 2003- )

Lord Abercorn, co. Linlithgow    [Scotland, 1603]
  1st: James Hamilton (5 Apr 1603-23 Mar 1618)
  2nd: James Hamilton (23 Mar 1618-c 1670)
  3rd: George Hamilton (c 1670-b 1683)
  4th: Claud Hamilton (c 1680-Aug 1691)
  5th: Charles Hamilton (Aug 1691-Jun 1701)
  6th: James Hamilton (Jun 1701-28 Nov 1734)
  7th: James Hamilton (28 Nov 1734-11 Jan 1744)
  8th: James Hamilton (11 Jan 1744-9 Oct 1789)
  9th: John James Hamilton (9 Oct 1789-27 Jan 1818)
10th: James Hamilton (27 Jan 1818-31 Oct 1885)
11th: James Hamilton (31 Oct 1885-3 Jan 1913)
12th: James Albert Edward Hamilton (3 Jan 1913-12 Sep 1953)
13th: James Edward Hamilton (12 Sep 1953-4 Jun 1979)
14th: James Hamilton (4 Jun 1979- )

Lord of Abercrombie    [Scotland, 1647]
  1st: James Sandilands (12 Dec 1647-a Feb 1667)
  2nd: James Sandilands (a 27 Feb 1667-1681)

Baroness Abercromby of Aboukir and Tullibody, co. Clackmannan    [United Kingdom, 1801]
  1st: Mary Anne Menzies (28 May 1801-11 Feb 1821) suo jure, for her husband's gallant conduct at the battle of Alexandria
  2nd: George Abercromby (11 Feb 1821-15 Feb 1843)
  3rd: George Ralph Abercromby (15 Feb 1843-25 Jun 1852)
  4th: George Ralph Campbell Abercromby (25 Jun 1852-30 Oct 1917)
  5th: John Abercromby (30 Oct 1917-7 Oct 1924)

Baron Aberdare of Duffryn, co. Glamorgan    [United Kingdom, 1873]
  1st: Henry Austin Bruce (23 Aug 1873-25 Feb 1895)
  2nd: Henry Campbell Bruce (25 Feb 1895-20 Feb 1929)
  3rd: Clarence Napier Bruce (20 Feb 1929-4 Oct 1957)
  4th: Morys George Lyndhurst Bruce (4 Oct 1957-23 Jan 2005)
  5th: Alastair John Lyndhurst Bruce (23 Jan 2005- )

Lord Abernethy    [Scotland, 1562]
  1st: James Stewart (30 Jan 1562-20 Jan 1570)
  2nd: Elizabeth Stewart (21 Jan 1570-18 Nov 1591)
  3rd: James Stuart (18 Nov 1591-6 Aug 1638)
  4th: James Stuart (6 Aug 1638-4 Mar 1653)
  5th: Alexander Stuart (4 Mar 1653-1 Nov 1700)
  6th: Charles Stuart (1 Nov 1700-7 Oct 1735)
  7th: Francis Stuart (7 Oct 1735-11 Dec 1739)
  8th: James Stuart (11 Dec 1739-5 Jul 1767)
  9th: Francis Stuart (5 Jul 1767-28 Aug 1810)
10th: Francis Stuart (28 Aug 1810-12 Jan 1848)
11th: Francis Stuart (12 Jan 1848-6 May 1859)
12th: John Stuart (6 May 1859-8 Nov 1867)
13th: Archibald George Stuart (8 Nov 1867-12 Feb 1872)
14th: George Philip Stuart (12 Feb 1872-16 Mar 1895)
15th: Edmund Archibald Stuart (16 Mar 1895-11 Jun 1901)
16th: Francis James Stuart (11 Jun 1901-20 Nov 1909)
17th: Morton Gray Stuart (20 Nov 1909-19 Apr 1930)
18th: Francis Douglas Stuart (19 Apr 1930-9 Jul 1943)
19th: Archibald John Morton Stuart (9 Jul 1943-27 Mar 1974)
20th: Douglas John Moray Stuart (27 Mar 1974-23 Sep 2011)
21st: John Douglas Stuart (23 Sep 2011- )

Lord Abernethy and Jedburgh Forest    [Scotland, 1633]
  1st: William Douglas (14 Jun 1633-19 Feb 1660)
  2nd: James Douglas (19 Feb 1660-25 Feb 1700)
  3rd: Archibald Douglas (25 Feb 1700-21 Jul 1761)
  4th: James George Hamilton (21 Jul 1761-7 Jul 1769)
  5th: Douglas Hamilton (7 Jul 1769-2 Aug 1799)
  6th: Archibald Hamilton (2 Aug 1799-16 Feb 1819)
  7th: Alexander Hamilton (16 Feb 1819-18 Aug 1852)
  8th: William Alexander Anthony Archibald Hamilton (18 Aug 1852-15 Jul 1863)
  9th: William Alexander Louis Stephen Douglas-Hamilton (15 Jul 1863-16 May 1895)
10th: Alfred Douglas Douglas-Hamilton (16 May 1895-16 Mar 1940)
11th: Douglas Douglas-Hamilton (16 Mar 1940-30 Mar 1973)
12th: Angus Alan Douglas Douglas-Hamilton (30 Mar 1973-5 Jun 2010)
13th: Alexander Douglas Douglas-Hamilton (5 Jun 2010- )

Baron Abertay, of Tullybelton, co. Perth    [United Kingdom, 1940]
  1st: Charles Coupar Barrie (18 Jun 1940-6 Dec 1940)

Lord Aberuthven, Mugdock and Fintry    [Scotland, 1707]
  1st: James Graham (24 Apr 1707-7 Jan 1742)
  2nd: William Graham (7 Jan 1742-23 Sep 1790)
  3rd: James Graham (23 Sep 1790-30 Dec 1836)
  4th: James Graham (30 Dec 1836-30 Dec 1874)
  5th: Douglas Beresford Malise Ronald Graham (30 Dec 1874-10 Dec 1925)
  6th: James Graham (Dec 1925-20 Jan 1954)
  7th: James Angus Graham (20 Jan 1954-10 Feb 1992)
  8th: James Graham (1992- )

Baron Abinger, of Abinger, Surrey and of the city of Norwich    [United Kingdom, 1835]
  1st: James Scarlett (12 Jan 1835-7 Apr 1844)
  2nd: Robert Campbell Scarlett (7 Oct 1844-24 Jun 1861)
  3rd: William Frederick Scarlett (24 Jun 1861-16 Jan 1892)
  4th: James Yorke MacGregor Scarlett (16 Jan 1892-11 Dec 1903)
  5th: Shelley Leopold Laurence Scarlett (11 Dec 1903-23 May 1917)
  6th: Robert Brooke Campbell Scarlett (23 May 1917-10 Jun 1927)
  7th: Hugh Richard Scarlett (10 Jun 1927-21 Jul 1943)
  8th: James Richard Scarlett (21 Jul 1943-23 Sep 2002)
  9th: James Harry Scarlett (23 Sep 2002- )

Baron Acheson of Clancairney, co. Armagh    [United Kingdom, 1847]
  1st: Archibald Acheson (18 Sep 1847-15 Jun 1864)
  2nd: Archibald Brabazon Sparrow Acheson (15 Jun 1864-11 Apr 1922)
  3rd: Archibald Charles Montagu Brabazon Acheson (11 Apr 1922-20 Mar 1954)
  4th: Archibald Alexander John Stanley Acheson (20 Mar 1954-17 Feb 1966)
  5th: Charles David Alexander John Sparrow Acheson (17 Feb 1966- )

Baron Acton of Aldenham, co. Shropshire    [United Kingdom, 1869]
  1st: John Emerich Edward Dalberg-Acton (11 Dec 1869-19 Jun 1902)
  2nd: Richard Maximilian Lyon-Dalberg-Acton (19 Jun 1902-16 Jun 1924)
  3rd: John Emerich Henry Lyon-Dalberg-Acton (16 Jun 1924-23 Jan 1989)
  4th: Richard Gerald Lyon-Dalberg-Acton (23 Jan 1989-10 Oct 2010)
  5th: John Charles Ferdinand Harold Lyon-Dalberg-Acton (10 Oct 2010- )

Baron Adams, of Ennerdale, co. Cumberland    [United Kingdom, 1949]
  1st: John Jackson Adams (16 Feb 1949-23 Aug 1960) one of the many Labour Government creations

Baron Adare, of Adare    [Ireland, 1800]
  1st: Valentine Richard Quin (31 Jul 1800-24 Aug 1824)
  2nd: Windham Henry Wyndham-Quin (2 Aug 1824-6 Aug 1850)
  3rd: Edwin Richard Wyndham-Quin (6 Aug 1850-6 Oct 1871)
  4th: Windham Thomas Wyndham-Quin (6 Oct 1871-14 Jun 1926)
  5th: Windham Henry Wyndham-Quin (14 Jun 1926-23 Oct 1952)
  6th: Richard Southwell Windham Robert Wyndham-Quin (23 Oct 1952-23 Aug 1965)
  7th: Thady Windham Thomas Wyndham-Quin (23 Aug 1965-25 Mar 2011)

Baron Adbaston, co. Stafford    [United Kingdom, 1815]
  1st: Charles Whitworth (25 Nov 1815-1825)

Baron Addington, of Addington, Buckinghamshire    [United Kingdom, 1887]
  1st: John Gellibrand Hubbard (22 Jul 1887-28 Aug 1889)
  2nd: Egerton Hubbard (28 Aug 1889-14 Jun 1915)
  3rd: John Gellibrand Hubbard (14 Jun 1915-20 Jun 1966)
  4th: Raymond Egerton Hubbard (20 Jun 1966-17 Aug 1971)
  5th: James Hubbard (17 Aug 1971-26 Jun 1982)
  6th: Dominic Bryce Hubbard (26 Jun 1982- )

Baron Addison, of Stallingborough, co. Lincoln    [United Kingdom, 1937]
  1st: Christopher Addison (22 May 1937-11 Dec 1951)
  2nd: Christopher Addison (11 Dec 1951-18 Nov 1976)
  3rd: Michael Addison (18 Nov 1976-23 Mar 1992)
  4th: William Matthew Wand Addison (23 Mar 1992- )

Baron Adrian, of Cambridge, co. Cambridge    [United Kingdom, 1955]
  1st: Edgar Douglas Adrian (28 Jan 1955-4 Aug 1977)
  2nd: Richard Hume Adrian (4 Aug 1977-4 Apr 1995)

Baron of Aghrim, co. Galway    [Ireland, 1676]
  1st: John Butler (13 Apr 1676-1677)

Baron of Aghrim, co. Galway    [Ireland, 1692]
  1st: Godard Reede (4 Mar 1692-11 Feb 1703)
  2nd: Frederik Christiaan Reede (11 Feb 1703-15 Aug 1719)
  3rd: Godard Adriaan Reede (15 Aug 1719-8 Oct 1736)
  4th: Frederik Willem Reede (8 Oct 1736-1 Dec 1747)
  5th: Frederik Christiaan Reinhart Reede (1 Dec 1747-13 Dec 1808)
  6th: Frederik Willem Reede (13 Dec 1808-5 Dec 1810)
  7th: Reynoud Diederik Jacob Reede (5 Dec 1810-31 Oct 1823)
  8th: George Godard Henry Reede (31 Oct 1823-2 Mar 1843)
  9th: Willem Gustaaf Frederik Reede (2 Mar 1843-21 May 1844)

Baron Ailsa, of Ailsa, co. Ayr    [United Kingdom, 1806]
  1st: Archibald Kennedy (12 Nov 1806-8 Sep 1846)
  2nd: Archibald Kennedy (8 Sep 1846-20 Mar 1870)
  3rd: Archibald Kennedy (20 Mar 1870-9 Apr 1938)
  4th: Archibald Kennedy (9 Apr 1938-27 Feb 1943)
  5th: Charles Kennedy (27 Feb 1943-1 Jun 1956)
  6th: Angus Kennedy (1 Jun 1956-31 May 1957)
  7th: Archibald David Kennedy (31 May 1957-7 Apr 1994)
  8th: Archibald Angus Charles Kennedy (7 Apr 1994-16 Jan 2015)
  9th: David Thomas Kennedy (16 Jan 2015- )

Baron Ailwyn, of Honingham, co. Norfolk    [United Kingdom, 1921]
  1st: Ailwyn Edward Fellowes (1 Jul 1921-23 Sep 1924)
  2nd: Ronald Townshend Fellowes (23 Sep 1924-30 Aug 1936)
  3rd: Eric William Edward Fellowes (30 Aug 1936-23 Mar 1976)
  4th: Carol Arthur Fellowes (23 Mar 1976-27 Sep 1988)

Baron Airedale, of Gledhow, West Riding of co. York    [United Kingdom, 1907]
  1st: James Kitson (17 Jul 1907-16 Mar 1911)
  2nd: Albert Ernest Kitson (16 Mar 1911-11 Mar 1944)
  3rd: Roland Dudley Kitson (11 Mar 1944-20 Mar 1958)
  4th: Oliver James Vandeleur Kitson (20 Mar 1958-19 Mar 1996)

Baron Airey, of Killingworth, Northumberland    [United Kingdom, 1876]
  1st: Richard Airey (29 Nov 1876-13 Sep 1881)

Baron Alanbrooke, of Brookeborough, co. Fermanagh    [United Kingdom, 1945]
  1st: Alan Francis Brooke (18 Sep 1945-17 Jun 1963)
  2nd: Thomas Brooke (17 Jun 1963-19 Dec 1972)
  3rd: Alan Victor Harold Brooke (19 Dec 1972-10 Jan 2018)

Baron Alcester, of Alcester, co. Warwick    [England, 1882]
  1st: Frederick Beauchamp Paget Seymour (24 Nov 1882-30 Mar 1895)

Baroness of Aldborough, co. Suffolk    [Great Britain, 1722]
  1st: Petronilla Melusina Schulenburg (7 Apr 1722-16 Sep 1778) for life

Baron Aldenham, of Aldenham, Hertfordshire    [United Kingdom, 1896]
  1st: Henry Hucks Gibbs (31 Jan 1896-13 Sep 1907)
  2nd: Alban George Henry Gibbs (13 Sep 1907-9 May 1936)
  3rd: Gerald Henry Beresford Gibbs (9 May 1936-21 Mar 1939)
  4th: Walter Durant Gibbs (21 Mar 1939-30 May 1969)
  5th: Anthony Durant Gibbs (30 May 1969-25 Jan 1986)
  6th: Vicary Tyser Gibbs (25 Jan 1986- )

Baron of Alderney    [Great Britain, 1726]
  1st: William Augustus Hanover (27 Jul 1726-31 Oct 1765)

Baron Aldington, of Bispham, co. Borough of Blackpool    [United Kingdom, 1962]
  1st: Toby Austin Richard William Low (29 Jan 1962-7 Dec 2000)
  2nd: Charles Harold Stuart Low (7 Dec 2000- )

Lord Alexander of Tullibody    [Scotland, 1630]
  1st: William Alexander (4 Sep 1630-bt 1639-1640)
  2nd: William Alexander (1638-1640)
  3rd: Henry Alexander (1638-1650)
  4th: Henry Alexander (1650-1690)
  5th: Henry Alexander (1690-1739)

Lord Alexander of Tullibody    [Scotland, 1633]
  1st: William Alexander (14 Jun 1633-bt 1639-1640)
  2nd: William Alexander (1638-1640)
  3rd: Henry Alexander (1638-1650)
  4th: Henry Alexander (1650-1690)
  5th: Henry Alexander (1690-1739)

Baron Alington of Crichel, Dorset    [United Kingdom, 1876]
  1st: Henry Gerard Sturt (15 Jan 1876-17 Feb 1904)
  2nd: Humphrey Napier Sturt (17 Feb 1904-30 Jul 1919)
  3rd: Napier George Henry Sturt (30 Jul 1919-17 Sep 1940)

Baron Alington of Killard, co. Cork    [Ireland, 1642]
  1st: William Alington (28 Jul 1642-c Oct 1648)
  2nd: Giles Alington (c Oct 1648-c Mar 1660)
  3rd: William Alington (c Mar 1660-1 Feb 1685)
  4th: Giles Alington (1 Feb 1685-18 Sep 1691)
  5th: Hildebrand Alington (18 Sep 1691-11 Feb 1723)

Baron Alington of Wymondley, Hertfordshire    [England, 1682]
  1st: William Alington (5 Dec 1682-1 Feb 1685)
  2nd: Giles Alington (1 Feb 1685-18 Sep 1691)

Baron Allen of Hurtwood, co. Surrey    [United Kingdom, 1932]
  1st: Reginald Clifford Allen (18 Jan 1932-3 Mar 1939)

Baron Allen of Stillorgan, co. Dublin    [Ireland, 1717]
  1st: John Allen (28 Aug 1717-8 Nov 1726)
  2nd: Joshua Allen (8 Nov 1726-5 Dec 1742)
  3rd: John Allen (5 Dec 1742-25 May 1745)
  4th: John Allen (25 May 1745-10 Nov 1753)
  5th: Joshua Allen (10 Nov 1753-1 Feb 1816)
  6th: Joshua William Allen (1 Feb 1816-21 Sep 1845)

Baron Allendale, of Allendale and Hexham, co. Northumberland    [United Kingdom, 1906]
  1st: Wentworth Blackett Beaumont (20 Jul 1906-13 Feb 1907)
  2nd: Wentworth Canning Blackett Beaumont (13 Feb 1907-12 Dec 1923)
  3rd: Wentworth Henry Canning Beaumont (12 Dec 1923-16 Dec 1956)
  4th: Wentworth Hubert Charles Beaumont (16 Dec 1956-27 Dec 2002)
  5th: Wentworth Peter Ismay Beaumont (27 Dec 2002- )

Baron Allerton, of Chapel-Allerton, co. York    [United Kingdom, 1902]
  1st: William Lawies Jackson (17 Jul 1902-4 Apr 1917)
  2nd: George Herbert Jackson (4 Apr 1917-29 Jan 1925)
  3rd: George William Jackson (29 Jan 1925-1 Jul 1991)

Baron Alness, of Alness in co. of Ross and Cromarty    [United Kingdom, 1934]
  1st: Robert Munro (27 Jun 1934-6 Oct 1955)

Baron Altham, of Altham, co. Cork    [Ireland, 1681]
  1st: Altham Annesley (14 Feb 1681-26 Apr 1699) with special remainder to his brothers
  2nd: James George Annesley (26 Apr 1699-c 1700)
  3rd: Richard Annesley (c 1700-19 Nov 1701)
  4th: Arthur Annesley (19 Nov 1701-16 Nov 1727)
  5th: Richard Annesley (16 Nov 1727-14 Feb 1761)
  6th: Arthur Annesley (14 Feb 1761-4 Jul 1816)
  7th: George Annesley (4 Jul 1816-23 Jul 1844)

Lord Altrie    [Scotland, 1587]
  1st: Robert Keith (29 Jul 1587-bt 1596-1596) with a special remainder to his nephew, George
  2nd: George Keith (1592-2 Apr 1623)

Baron Altrincham, of Tormarton, co. Gloucester    [United Kingdom, 1945]
  1st: Edward William MacLeay Grigg (1 Aug 1945-1 Dec 1955)
  2nd: John Edward Poynder Grigg (1 Dec 1955-31 Dec 2001)
  3rd: Anthony Ulrick David Dundas Grigg (31 Dec 2001-1 Aug 2020)
  4th: Edward Sebastian Grigg (1 Aug 2020- )

Baron Alvanley, of Alvanley, co. Chester    [United Kingdom, 1801]
  1st: Richard Pepper Arden (22 May 1801-19 Mar 1804)
  2nd: William Arden (26 Mar 1804-16 Nov 1849)
  3rd: Richard Pepper Arden (16 Nov 1849-24 Jun 1857)

Baron Alverstone, of Alverstone, co. Southampton    [United Kingdom, 1900]
  1st: Richard Everard Webster (18 Jun 1900-15 Dec 1915)

Baron Alvingham, of Woodfold, co. Palatine of Lancaster    [United Kingdom, 1929]
  1st: Robert Daniel Thwaites Yerburgh (10 Jul 1929-27 Nov 1955)
  2nd: Robert Guy Eardley Yerburgh (27 Nov 1955-29 Mar 2020)
  3rd: Robert Richard Guy Yerburgh (29 Mar 2020- )

Baron Amesbury, of Kintbury-Amesbury and Barton Court, Berkshire and Aston Hall, co. Flint    [United Kingdom, 1832]
  1st: Charles Dundas (16 May 1832-30 Jun 1832)

Baron Amherst of Hackney, co. London    [United Kingdom, 1892]
  1st: William Amhurst Tyssen-Amherst (26 Aug 1892-16 Jan 1909)
  2nd: Mary Rothes Margaret Tyssen-Amherst (16 Jan 1909-21 Dec 1919) suo jure
  3rd: William Alexander Evering Cecil (21 Dec 1919-22 Jul 1980)
  4th: William Hugh Amherst Cecil (22 Jul 1980-2 Apr 2009)
  5th: Hugh William Amherst Cecil (2 Apr 2009- )

Baron Amherst of Holmesdale, Kent    [Great Britain, 1776]
  1st: Jeffrey Amherst (20 May 1776-3 Aug 1797)

Baron Amherst of Montreal, Kent    [Great Britain, 1788]
  1st: Jeffrey Amherst (6 Sep 1788-3 Aug 1797) with a special remainder to his nephew, William Pitt Amherst
  2nd: William Pitt Amherst (3 Aug 1797-13 Mar 1857)
  3rd: William Pitt Amherst (13 Mar 1857-26 Mar 1886)
  4th: William Archer Amherst (17 Apr 1880-14 Aug 1910) in his father's lifetime
  5th: Hugh Amherst (14 Aug 1910-7 Mar 1927)
  6th: Jeffery John Archer Amherst (7 Mar 1927-4 Mar 1993)

Baron Ammon, of Camberwell, co. Surrey    [United Kingdom, 1944]
  1st: Charles George Ammon (31 Jan 1944-2 Apr 1960)

Baron Ampthill, of Ampthill, co. Bedford    [United Kingdom, 1881]
  1st: Odo William Leopold Russell (11 Mar 1881-25 Aug 1884)
  2nd: Arthur Oliver Villiers Russell (25 Aug 1884-7 Jul 1935)
  3rd: John Hugo Russell (7 Jul 1935-3 Jun 1973)
  4th: Geoffrey Denis Erskine Russell (3 Jun 1973-23 Apr 2011)
  5th: David Whitney Erskine Russell (23 Apr 2011- )

Baron Amulree, of Strathbraan, co. Perth    [United Kingdom, 1929]
  1st: William Warrender Mackenzie (22 Jul 1929-5 May 1942)
  2nd: Basil William Sholto Mackenzie (5 May 1942-15 Dec 1983)

Baron Amwell, of Islington, co. London    [United Kingdom, 1947]
  1st: Frederick Montague (16 Jul 1947-15 Oct 1966)
  2nd: Frederick Norman Montague (15 Oct 1966-1990)
  3rd: Keith Norman Montague (1990- )

Baron Annaly of Annaly and Rathcline, co. Longford    [United Kingdom, 1863]
  1st: Henry White (19 Aug 1863-3 Sep 1873)
  2nd: Luke White (3 Sep 1873-16 Mar 1888)
  3rd: Luke White (16 Mar 1888-15 Dec 1922)
  4th: Luke Henry White (15 Dec 1922-4 May 1970)
  5th: Luke Robert White (4 May 1970-30 Sep 1990)
  6th: Luke Richard White (30 Sep 1990- )

Baron Annaly of Tenelick, co. Longford    [Ireland, 1766]
  1st: John Gore (17 Jan 1766-3 Apr 1784)

Baron Annaly of Tenelick, co. Longford    [Ireland, 1789]
  1st: Henry Gore (23 Sep 1789-5 Jun 1793)

Baron Annesley, of Bletchington, co. Oxford    [United Kingdom, 1917]
  1st: Arthur Annesley (7 May 1917-20 Jan 1927)
  2nd: Caryl Arthur Annesley (20 Jan 1927-6 Oct 1949)

Baron Annesley, of Castle Wellan, co. Down    [Ireland, 1758]
  1st: William Annesley (20 Sep 1758-12 Sep 1770)
  2nd: Francis Charles Annesley (12 Sep 1770-19 Dec 1802)
  3rd: Richard Annesley (19 Dec 1802-9 Nov 1824)
  4th: William Richard Annesley (9 Nov 1824-25 Aug 1838)
  5th: William Richard Annesley (25 Aug 1838-10 Aug 1874)
  6th: Hugh Annesley (10 Aug 1874-15 Dec 1908)
  7th: Francis Annesley (15 Dec 1908-6 Nov 1914)
  8th: Walter Beresford Annesley (6 Nov 1914-7 Jul 1934)
  9th: Beresford Cecil Bingham Annesley (7 Jul 1934-29 Jun 1957)
10th: Robert Annesley (29 Jun 1957-21 Feb 1979)
11th: Patrick Annesley (21 Feb 1979-2 Feb 2001)
12th: Philip Harrison Annesley (2 Feb 2001-11 Mar 2011)
13th: Michael Robert Annesley (11 Mar 2011- )

Baron Annesley, of Newport Pagnel, Buckinghamshire    [England, 1661]
  1st: Arthur Annesley (20 Apr 1661-6 Apr 1686)
  2nd: James Annesley (6 Apr 1686-1 Apr 1690)
  3rd: James Annesley (1 Apr 1690-21 Jan 1702)
  4th: John Annesley (21 Jan 1702-18 Sep 1710)
  5th: Arthur Annesley (18 Sep 1710-1 Apr 1737)
  6th: Richard Annesley (1 Apr 1737-14 Feb 1761)

Baron Anslow, of Iver, co. Buckingham    [United Kingdom, 1916]
  1st: Tonman Mosley (28 Jun 1916-20 Aug 1933)

Lord Anson, Baron of Soberton, co. Southampton    [Great Britain, 1747]
  1st: George Anson (13 Jun 1747-2 Jun 1762)

Baron Appin    [Scotland, 1743]
  1st: Dugald Stewart (6 Jun 1743-1769) by the titular King James III

Lord Apsley, Baron of Apsley, Sussex    [Great Britain, 1771]
  1st: Henry Bathurst (24 Jan 1771-6 Aug 1794)
  2nd: Henry Bathurst (6 Aug 1794-27 Jul 1834)
  3rd: Henry George Bathurst (27 Jul 1834-25 May 1866)
  4th: William Lennox Bathurst (25 May 1866-24 Feb 1878)
  5th: Allen Alexander Bathurst (24 Feb 1878-1 Aug 1892)
  6th: Seymour Henry Bathurst (1 Aug 1892-21 Sep 1943)
  7th: Henry Allen John Bathurst (21 Sep 1943-16 Oct 2011)
  8th: Allen Christopher Bertram Bathurst (16 Oct 2011- )

Lord Archer, Baron of Umberslade, co. Warwick    [Great Britain, 1747]
  1st: Thomas Archer (14 Jul 1747-19 Oct 1768)
  2nd: Andrew Archer (19 Oct 1768-18 Apr 1778)

Baron Archibald, of Woodside, in the City of Glasgow    [United Kingdom, 1949]
  1st: George Archibald (12 Jul 1949-25 Feb 1975)
  2nd: George Christopher Archibald (25 Feb 1975-27 Feb 1996)

Baron Ardelve, co. Wicklow    [Ireland, 1766]
  1st: Kenneth Mackenzie (18 Nov 1766-Aug 1781)

Baron Arden, of Arden, co. Warwick    [United Kingdom, 1802]
  1st: Charles George Perceval (28 Jul 1802-5 Jul 1840)
  2nd: George James Perceval (5 Jul 1840-2 Aug 1874)
  3rd: Charles George Perceval (2 Aug 1874-5 Sep 1897)
  4th: Augustus Arthur Perceval (5 Sep 1897-11 Aug 1910)
  5th: Charles John Perceval (11 Aug 1910-10 Jan 1929)

Baroness Arden, of Lohort Castle, co. Cork    [Ireland, 1770]
  1st: Catherine Compton (23 May 1770-11 Jun 1784) suo jure
  2nd: Charles George Perceval (11 Jun 1784-5 Jul 1840)
  3rd: George James Perceval (5 Jul 1840-2 Aug 1874)
  4th: Charles George Perceval (2 Aug 1874-5 Sep 1897)
  5th: Augustus Arthur Perceval (5 Sep 1897-11 Aug 1910)
  6th: Charles John Perceval (11 Aug 1910-10 Jan 1929)
  7th: Frederick Joseph Trevelyan Perceval (10 Jan 1929-16 May 1932) de jure
  8th: Frederick George Moore Perceval (16 May 1932-10 Dec 2001)
  9th: Thomas Frederick Gerald Perceval (10 Dec 2001-6 Nov 2011)

Baron Ardenerie    [Ireland, 1580]
  1st: John Bourke (May 1580-24 Nov 1580)
  2nd: William Bourke (24 Nov 1580-1591) de jure, although he does not appear to have assumed the title, nor did any of his descendants

Baron Ardilaun of Ashford, co. Galway    [United Kingdom, 1880]
  1st: Arthur Edward Guinness (1 May 1880-20 Jan 1915)

Lord Ardmannoch    [Scotland, 1565]
  1st: Henry Stuart (15 May 1565-10 Feb 1567)
  2nd: James I Charles Stuart (10 Feb 1567-27 Mar 1625)

Lord Ardmannoch    [Scotland, 1600]
  1st: Charles I Stuart (23 Dec 1600-30 Jan 1649)

Baron Ardrossan, of Ardrossan, co. Ayr    [United Kingdom, 1806]
  1st: Hugh Montgomerie (15 Feb 1806-14 Dec 1819)
  2nd: Archibald Montgomerie (14 Dec 1819-4 Oct 1861)
  3rd: Archibald William Montgomerie (4 Oct 1861-30 Aug 1892)
  4th: George Arnulph Montgomerie (30 Aug 1892-10 Aug 1919)
  5th: Archibald Seton Montgomerie (10 Aug 1919-22 Apr 1945)
  6th: Archibald William Alexander Montgomerie (22 Apr 1945-21 Apr 1966)
  7th: Archibald George Montgomerie (21 Apr 1966-14 Jun 2018)
  8th: Hugh Archibald William Montgomerie (14 Jun 2018- )

Baron Arklow    [United Kingdom, 1801]
  1st: Augustus Frederick Hanover (27 Nov 1801-22 Apr 1843)

Baron Arklow    [United Kingdom, 1881]
  1st: Leopold George Duncan Albert Saxe-Coburg and Gotha (24 May 1881-28 Mar 1884)
  2nd: Charles Edward George Albert Leopold Saxe-Coburg and Gotha (19 Jul 1884-6 Mar 1954)

Baron Arlington, of Arlington, Middlesex    [England, 1665]
  1st: Henry Bennet (14 Mar 1665-28 Jul 1685) with a special remainder to all heirs of his body
  2nd: Isabella Bennet (28 Jul 1685-7 Feb 1723)
  3rd: Charles Fitzroy (7 Feb 1723-6 May 1757)
  4th: Augustus Henry Fitzroy (6 May 1757-14 Mar 1811)
  5th: George Henry FitzRoy (14 Mar 1811-28 Sep 1844)
  6th: Henry FitzRoy (28 Sep 1844-26 Mar 1863)
  7th: William Henry Fitzroy (26 Mar 1863-21 May 1882)
  8th: Augustus Charles Lennox FitzRoy (21 May 1882-4 Dec 1918)
  9th: Alfred William Maitland FitzRoy (4 Dec 1918-10 Jan 1930)
10th: John Charles William FitzRoy (10 Jan 1930-1 Aug 1936)
11th: Jennifer Jane Nelson (May 1999- ) suo jure, on termination of the abeyance

Baron Arlington, of Arlington, Middlesex    [England, 1672]
  1st: Henry Bennet (22 Apr 1672-28 Jul 1685) with a special remainder to his brother, Sir John Bennet
  2nd: Isabella Bennet (28 Jul 1685-7 Feb 1723) suo jure
  3rd: Charles Fitzroy (7 Feb 1723-6 May 1757)
  4th: Augustus Henry Fitzroy (6 May 1757-14 Mar 1811)
  5th: George Henry FitzRoy (14 Mar 1811-28 Sep 1844)
  6th: Henry FitzRoy (28 Sep 1844-26 Mar 1863)
  7th: William Henry Fitzroy (26 Mar 1863-21 May 1882)
  8th: Augustus Charles Lennox FitzRoy (21 May 1882-4 Dec 1918)
  9th: Alfred William Maitland FitzRoy (4 Dec 1918-10 Jan 1930)
10th: John Charles William FitzRoy (10 Jan 1930-1 Aug 1936)

Baron Armaghdale, of Armagh, co. Armagh    [United Kingdom, 1918]
  1st: John Brownlee Lonsdale (17 Jan 1918-8 Jun 1924)

Baron Armitstead, of Castlehill, in the city of Dundee    [United Kingdom, 1906]
  1st: George Armitstead (19 Jul 1906-7 Dec 1915)

Baron Armstrong, of Bamburgh and Cragside, co. Northumberland    [United Kingdom, 1903]
  1st: William Henry Armstrong Fitzpatrick Watson-Armstrong (4 Aug 1903-16 Oct 1941)
  2nd: William John Montagu Watson-Armstrong (16 Oct 1941-6 Jul 1972)
  3rd: William Henry Cecil John Robin Watson-Armstrong (6 Jul 1972-1 Oct 1987)

Baron Armstrong of Cragside, co. Northumberland    [United Kingdom, 1887]
  1st: William George Armstrong (6 Jul 1887-27 Dec 1900)

Baron Arnold, of Hale, co. Chester    [United Kingdom, 1924]
  1st: Sydney Arnold (12 Feb 1924-3 Aug 1945)

Baron Arundell of Trerice, Cornwall    [England, 1665]
  2nd: John Arundell (c Oct 1687-7 Sep 1697)
  3rd: John Arundell (c Jun 1698-24 Sep 1706)
  4th: John Arundell (24 Sep 1706-c 10 Aug 1768)

Baron Arundell of Trerice, co. Cornwall    [England, 1665]
  1st: Richard Arundell (23 Mar 1665-c Oct 1687)

Baron Arundell of Wardour, co. Wiltshire    [England, 1605]
  1st: Thomas Arundell (4 May 1605-7 Nov 1639)
  2nd: Thomas Arundell (7 Nov 1639-19 May 1643)
  3rd: Henry Arundell (19 May 1643-28 Dec 1694)
  4th: Thomas Arundell (28 Dec 1694-10 Feb 1712)
  5th: Henry Arundell (10 Feb 1712-20 Apr 1726)
  6th: Henry Arundell (20 Apr 1726-30 Jun 1746)
  7th: Henry Arundell (30 Jun 1746-12 Sep 1756)
  8th: Henry Arundell (12 Sep 1756-4 Dec 1808)
  9th: James Everard Arundell (4 Dec 1808-14 Jul 1817)
10th: James Everard Arundell (14 Jul 1817-21 Jun 1834)
11th: Henry Benedict Arundell (21 Jun 1834-19 Oct 1862)
12th: John Francis Arundell (19 Oct 1862-26 Oct 1906)
13th: Everard Aloysius Gonzaga Arundell (26 Oct 1906-11 Jul 1907)
14th: Edgar Clifford Arundell (11 Jul 1907-8 Dec 1921)
15th: Gerald Arthur Arundell (8 Dec 1921-30 Mar 1939)
16th: John Francis Arundell (30 Mar 1939-25 Sep 1944)

Baron Ashbourne, of Ashbourne, co. Meath    [Ireland, 1885]
  1st: Edward Gibson (4 Jul 1885-22 May 1913)
  2nd: William Gibson (22 May 1913-21 Jan 1942)
  3rd: Edward Russell Gibson (21 Jan 1942-3 Sep 1983)
  4th: Edward Barry Greynville Gibson (3 Sep 1983-6 Oct 2020)
  5th: Edward Charles d'Olier Gibson (6 Oct 2020- )

Baron Ashburnham, of Ashburnham, Sussex    [England, 1689]
  1st: John Ashburnham (20 May 1689-21 Jan 1710)
  2nd: William Ashburnham (21 Jan 1710-16 Jun 1710)
  3rd: John Ashburnham (16 Jun 1710-10 Mar 1737)
  4th: John Ashburnham (10 Mar 1737-8 Apr 1812)
  5th: George Ashburnham (23 Mar 1803-27 Oct 1830) in the lifetime of his father
  6th: Bertram Ashburnham (27 Oct 1830-22 Jun 1878)
  7th: Bertram Ashburnham (22 Jun 1878-15 Jan 1913)
  8th: Thomas Ashburnham (15 Jan 1913-12 May 1924)

Baron Ashburton, of Ashburton, Devon    [Great Britain, 1782]
  1st: John Dunning (8 Apr 1782-18 Aug 1783)
  2nd: Richard Barré Dunning (18 Aug 1783-15 Feb 1823)

Baron Ashburton, of Ashburton, Devon    [United Kingdom, 1835]
  1st: Alexander Baring (10 Apr 1835-12 May 1848)
  2nd: William Bingham Baring (12 May 1848-23 Mar 1864)
  3rd: Francis Baring (23 Mar 1864-6 Sep 1868)
  4th: Alexander Hugh Baring (6 Sep 1868-18 Jul 1889)
  5th: Francis Denzil Edward Baring (18 Jul 1889-27 Mar 1938)
  6th: Alexander Francis St. Vincent Baring (27 Mar 1938-12 Jun 1991)
  7th: John Francis Harcourt Baring (12 Jun 1991-6 Oct 2020)

Baron Ashburton, of Ashburton, co. Devon    [United Kingdom, 1835]
  8th: Mark Francis Robert Baring (6 Oct 2020- )

Baron Ashby St. Ledgers, of Ashby St. Ledgers, co. Northampton    [United Kingdom, 1910]
  1st: Ivor Churchill Guest (15 Mar 1910-14 Jun 1939)
  2nd: Ivor Grosvenor Guest (14 Jun 1939-7 Jan 1967)
  3rd: Ivor Fox-Strangways Guest (7 Jan 1967-1993)
  4th: Ivor Mervyn Vigors Guest (1993- )

Baron Ashcombe, of Dorking, Surrey and of Bodiam Castle, Sussex    [United Kingdom, 1892]
  1st: George Cubitt (22 Aug 1892-26 Feb 1917)
  2nd: Henry Cubitt (26 Feb 1917-27 Oct 1947)
  3rd: Roland Calvert Cubitt (27 Oct 1947-28 Oct 1962)
  4th: Henry Edward Cubitt (28 Oct 1962-4 Dec 2013)
  5th: Mark Edward Cubitt (4 Dec 2013- )

Baron Ashfield, of Southwell, co. Nottingham    [United Kingdom, 1920]
  1st: Albert Henry Stanley (9 Jan 1920-4 Nov 1948)

Baron Ashford, of Ashford, Kent    [England, 1697]
  1st: Arnold Joost Keppel (10 Feb 1697-30 May 1718)
  2nd: William Anne Keppel (19 May 1718-22 Dec 1754)
  3rd: George Keppel (22 Dec 1754-13 Oct 1772)
  4th: William Charles Keppel (13 Oct 1772-30 Oct 1849)
  5th: Augustus Frederick Keppel (30 Oct 1849-15 Mar 1851)
  6th: George Thomas Keppel (15 Mar 1851-21 Feb 1891)
  7th: William Coutts Keppel (6 Sep 1876-28 Aug 1894) in the lifetime of his father
  8th: Arnold Allen Cecil Keppel (28 Aug 1894-12 Apr 1942)
  9th: Walter Egerton George Lucian Keppel (12 Apr 1942-14 Jul 1979)
10th: Rufus Arnold Alexis Keppel (14 Jul 1979- )

Baron Ashley of Wimborne St. Giles, co. Dorset    [England, 1661]
  1st: Anthony Ashley-Cooper (20 Apr 1661-22 Jan 1683)
  2nd: Anthony Ashley-Cooper (21 Jan 1683-10 Nov 1699)
  3rd: Anthony Ashley-Cooper (10 Nov 1699-15 Feb 1713)
  4th: Anthony Ashley-Cooper (15 Feb 1713-27 May 1771)
  5th: Anthony Ashley-Cooper (27 May 1771-14 May 1811)
  6th: Cropley Ashley-Cooper (14 May 1811-2 Jun 1851)
  7th: Anthony Ashley-Cooper (2 Jun 1851-1 Oct 1885)
  8th: Anthony Ashley-Cooper (1 Oct 1885-13 Apr 1886)
  9th: Anthony Ashley-Cooper (13 Apr 1886-25 Mar 1961)
10th: Anthony Ashley-Cooper (25 Mar 1961-Nov 2004)
11th: Anthony Nils Christian Ashley-Cooper (Nov 2004-15 May 2005)
12th: Nicholas Edmund Anthony Ashley-Cooper (15 May 2005- )

Baron Ashton, of Ashton, co. Lancaster    [United Kingdom, 1895]
  1st: James Williamson (25 Jul 1895-27 May 1930)

Baron Ashton of Hyde, co. Chester    [United Kingdom, 1911]
  1st: Thomas Gair Ashton (28 Jun 1911-1 May 1933)
  2nd: Thomas Henry Raymond Ashton (1 May 1933-21 Mar 1983)
  3rd: Thomas John Ashton (21 Mar 1983-2 Aug 2008)
  4th: Thomas Henry Ashton (2 Aug 2008- )

Baron Ashtown, of Moate, co. Galway    [Ireland, 1800]
  1st: Frederick Trench (27 Dec 1800-1 May 1840) with a special remainder to the heirs male of his father
  2nd: Frederick Mason Trench (1 May 1840-12 Sep 1880)
  3rd: Frederic Oliver Trench (12 Sep 1880-20 Mar 1946)
  4th: Robert Power Trench (20 Mar 1946-3 Nov 1966)
  5th: Dudley Oliver Trench (3 Nov 1966-19 Aug 1979)
  6th: Christopher Oliver Trench (19 Aug 1979-27 Apr 1990)
  7th: Nigel Clive Cosby Trench (27 Apr 1990-6 Mar 2010)
  8th: Roderick Nigel Godolphin Trench (6 Mar 2010- )

Baron Askwith, of St. Ives, co. Huntingdon    [United Kingdom, 1919]
  1st: George Rankin Askwith (24 Mar 1919-2 Jun 1942)

Baron Astley of Reading, Berkshire    [England, 1644]
  1st: Jacob Astley (4 Nov 1644-Feb 1652)
  2nd: Isaac Astley (Feb 1652-1662)
  3rd: Jacob Astley (1662-1688)

Lord Aston of Forfar    [Scotland, 1627]
  1st: Walter Aston (28 Nov 1627-13 Aug 1639) as a reward for his services in negotiating the marriage of Charles, Prince of Wales to the Infanta of Spain Remainder was to him and his heirs male carrying the name of Aston
  2nd: Walter Aston (13 Aug 1639-23 Apr 1678)
  3rd: Walter Aston (23 Apr 1678-24 Nov 1714)
  4th: Walter Aston (24 Nov 1714-4 Apr 1748)
  5th: James Aston (4 Apr 1748-24 Aug 1751)
  6th: William Aston (24 Aug 1751-bt 1769-1769) although his right to the title has not been proven absolutely, and he never claimed the title
  7th: Walter Aston (Feb 1769-29 Jul 1805)
  8th: Walter Hutchinson Aston (29 Jul 1805-21 Jan 1845)

Baron Astor, of Hever Castle, co. Kent    [United Kingdom, 1916]
  1st: William Waldorf Astor (26 Jan 1916-18 Oct 1919)
  2nd: Waldorf Astor (18 Oct 1919-30 Sep 1952)
  3rd: William Waldorf Astor (30 Sep 1952-7 Mar 1966)
  4th: William Waldorf Astor (7 Mar 1966- )

Baron Astor of Hever, of Hever Castle, co. Kent    [United Kingdom, 1956]
  1st: John Jacob Astor (21 Jan 1956-19 Jul 1971)
  2nd: Gavin Astor (19 Jul 1971-28 Jun 1984)
  3rd: John Jacob Astor (28 Jun 1984- )

Lord Athenry    [Ireland, 1280]
  1st: Piers Bermingham (c 1280-2 Apr 1307)
  2nd: Richard Bermingham (2 Apr 1307-b 1322)
  3rd: Thomas Bermingham (b 1322-1373)
  4th: Walter Bermingham (1373-1428)
  5th: Thomas FitzWalter Bermingham (1428-c 1473)
  6th: Thomas Bermingham (c 1473-c 1489)
  7th: Meiler Bermingham (c 1489-1529)
  8th: John Bermingham (1529-bt 1547-1550)
  9th: Richard Bermingham (bt 1547-1550-1580)
10th: Edmond Bermingham (1580-1614)
11th: Richard Bermingham (1614-1645)
12th: Francis Bermingham (1645-12 Apr 1677) under the deed signed 3 May 1641 by his elder brother, Edmond
13th: Edward Bermingham (12 Apr 1677-3 May 1709)
14th: Francis Bermingham (3 May 1709-4 Mar 1750)
15th: Thomas Bermingham (4 Mar 1750-11 Jan 1799)

Baron Athlumney, of Somerville and Dollarstown, co. Meath    [Ireland, 1863]
  1st: William Meredyth Somerville (14 Dec 1863-7 Dec 1873)
  2nd: James Herbert Gustavus Meredyth Somerville (7 Dec 1873-8 Jan 1929)

Baron Atholstan, of Huntingdon in the province of Quebec in the Dominion of Canada, and of the City of Edinburgh    [United Kingdom, 1917]
  1st: Hugh Graham (5 May 1917-28 Jan 1938)

Lord Auchmutye and Caskieberrie    [Scotland, 1680]
  1st: John Leslie (29 May 1680-26 Jul 1681)

Lord Auchterhouse    [Scotland, 1469]
  1st: James Stewart (1469-1499)
  2nd: Alexander Stewart (c 1498-1505)
  3rd: John Stewart (1505-a 14 Jul 1551)
  4th: Christian Stewart (a 14 Jul 1551-20 Sep 1580) suo jure
  5th: James Douglas (20 Sep 1580-26 Aug 1601)
  6th: Mary Douglas (26 Aug 1601-b 20 Aug 1628) suo jure
  7th: James Erskine (Jan 1640-Oct 1664)
  8th: William Erskine (Oct 1664-1695)
  9th: David Erskine (1695-14 Oct 1745)
10th: Henry David Erskine (14 Oct 1745-1 Dec 1767)
11th: David Steuart Erskine (1 Dec 1767-19 Apr 1829)
12th: Henry David Erskine (19 Apr 1829-13 Sep 1857)
13th: David Stuart Erskine (13 Sep 1857-3 Dec 1898)
14th: Shipley Gordon Stuart Erskine (3 Dec 1898-16 Apr 1934)
15th: Ronald Douglas Stuart Mar Erskine (16 Apr 1934-18 Dec 1960)
16th: Donald Cardross Flower Erskine (18 Dec 1960-26 Jul 1984)
17th: Malcolm Harry Erskine (1984-11 Sep 2022)
18th: Henry Thomas Alexander Erskine (11 Sep 2022- )

Baron Auckland    [Ireland, 1789]
  1st: William Eden (18 Nov 1789-28 May 1814)
  2nd: George Eden (28 May 1814-1 Jan 1849)
  3rd: Robert John Eden (1 Jan 1849-25 Apr 1870)
  4th: William George Eden (25 Apr 1870-17 Feb 1890)
  5th: William Morton Eden (17 Feb 1890-31 Jul 1917)
  6th: Frederick Colvin George Eden (31 Jul 1917-16 Apr 1941)
  7th: Geoffrey Morton Eden (16 Apr 1941-21 Jun 1955)
  8th: Terence Eden (21 Jun 1955-14 Sep 1957)
  9th: Ian George Eden (14 Sep 1957-28 Jul 1997)
10th: Robert Ian Burnard Eden (28 Jul 1997- )

Baron Auckland, of West Auckland, co. Durham    [Great Britain, 1793]
  1st: William Eden (22 May 1793-28 May 1814)
  2nd: George Eden (28 May 1814-1 Jan 1849)
  3rd: Robert John Eden (1 Jan 1849-25 Apr 1870)
  4th: William George Eden (25 Apr 1870-17 Feb 1890)
  5th: William Morton Eden (17 Feb 1890-31 Jul 1917)
  6th: Frederick Colvin George Eden (31 Jul 1917-16 Apr 1941)
  7th: Geoffrey Morton Eden (16 Apr 1941-21 Jun 1955)
  8th: Terence Eden (21 Jun 1955-14 Sep 1957)
  9th: Ian George Eden (14 Sep 1957-28 Jul 1997)
10th: Robert Ian Burnard Eden (28 Jul 1997- )

Baron Audley of Hely    [England, 1633]
  1st: James Tuchet (3 Jun 1633-11 Oct 1684)
  2nd: Mervyn Tuchet (11 Oct 1684-2 Nov 1686)
  3rd: James Tuchet (2 Nov 1686-9 Aug 1700)
  4th: James Tuchet (9 Aug 1700-12 Oct 1740)
  5th: James Tuchet (12 Oct 1740-6 May 1769)
  6th: John Talbot Tuchet (6 May 1769-22 Apr 1777)

Baron Audley of Orier, co. Armagh    [Ireland, 1616]
  1st: George Tuchet (6 Sep 1616-20 Feb 1617)
  2nd: Mervyn Tuchet (20 Feb 1617-14 May 1631)
  3rd: James Tuchet (14 May 1631-11 Oct 1684)
  4th: Mervyn Tuchet (11 Oct 1684-2 Nov 1686)
  5th: James Tuchet (2 Nov 1686-9 Aug 1700)
  6th: James Tuchet (9 Aug 1700-12 Oct 1740)
  7th: James Tuchet (12 Oct 1740-6 May 1769)
  8th: John Talbot Tuchet (6 May 1769-22 Apr 1777)

Baron Audley of Walden, co. Essex    [England, 1538]
  1st: Thomas Audley (29 Nov 1538-30 Apr 1544)

Baron Austin, of Longbridge, in the City of Birmingham    [United Kingdom, 1936]
  1st: Herbert Austin (16 Jul 1936-23 May 1941)

Lord of Avandale    [Scotland, 1439]
  1st: Andrew Stewart (1439-Jul 1488)

Lord Avandale    [Scotland, 1500]
  1st: Andrew Stewart (4 Feb 1500-9 Sep 1513)
  2nd: Andrew Stewart (9 Sep 1513-1548)

Lord of Avane and Hamilton    [Scotland, 1581]
  1st: James Stewart (28 Oct 1581-5 Dec 1595)

Baron Avebury, of Avebury, Wiltshire    [United Kingdom, 1900]
  1st: John Lubbock (22 Jan 1900-28 May 1913)
  2nd: John Birkbeck Lubbock (28 May 1913-26 Mar 1929)
  3rd: John Lubbock (26 Mar 1929-21 Jun 1971)
  4th: Eric Reginald Lubbock (21 Jun 1971-14 Feb 2016)
  5th: Lyulph Ambrose Jonathan Lubbock (14 Feb 2016- )

Baron Aveland, of Aveland, co. Lincoln    [United Kingdom, 1856]
  1st: Gilbert John Heathcote (26 Feb 1856-6 Sep 1867)
  2nd: Gilbert Henry Heathcote-Drummond-Willoughby (6 Sep 1867-24 Dec 1910)
  3rd: Gilbert Heathcote-Drummond-Willoughby (24 Dec 1910-19 Sep 1951)
  4th: Gilbert James Heathcote-Drummond-Willoughby (19 Sep 1951-29 Mar 1983)

Lord Aven    [Scotland, 1599]
  1st: John Hamilton (17 Apr 1599-6 Apr 1604) probably created at the same time as the Marquess of Hamilton, but possibly at the same time as the Earl of Arran ie 11 Aug 1603 However this title doesn't appear to have been used afte

Lord Aven and Innerdale    [Scotland, 1643]
  1st: James Hamilton (12 Apr 1643-9 Mar 1649)
  2nd: William Hamilton (9 Mar 1649-12 Sep 1651)
  3rd: Anne Hamilton (12 Sep 1651-17 Oct 1716)
  4th: James Hamilton (9 Jul 1698-15 Nov 1712)
  5th: James Hamilton (15 Nov 1712-2 Mar 1743)
  6th: James Hamilton (2 Mar 1743-17 Jan 1758)
  7th: James George Hamilton (17 Jan 1758-7 Jul 1769)
  8th: Douglas Hamilton (7 Jul 1769-2 Aug 1799)
  9th: Archibald Hamilton (2 Aug 1799-16 Feb 1819)
10th: Alexander Hamilton (16 Feb 1819-18 Aug 1852)
11th: William Alexander Anthony Archibald Hamilton (18 Aug 1852-15 Jul 1863)
12th: William Alexander Louis Stephen Douglas-Hamilton (15 Jul 1863-16 May 1895)
13th: Alfred Douglas Douglas-Hamilton (16 May 1895-16 Mar 1940)
14th: Douglas Douglas-Hamilton (16 Mar 1940-30 Mar 1973)
15th: Angus Alan Douglas Douglas-Hamilton (30 Mar 1973-5 Jun 2010)
16th: Alexander Douglas Douglas-Hamilton (5 Jun 2010- )

Baron Avonmore, co. Cork    [Ireland, 1795]
  1st: Barry Yelverton (15 Jun 1795-19 Aug 1805)
  2nd: William Charles Yelverton (19 Aug 1805-28 Nov 1814)
  3rd: Barry John Yelverton (28 Nov 1814-24 Oct 1870)
  4th: William Charles Yelverton (24 Oct 1870-1 Apr 1883)
  5th: Barry Nugent Yelverton (1 Apr 1883-13 Feb 1885)
  6th: Algernon William Yelverton (13 Feb 1885-3 Sep 1910)

Lord Aylmer, Baron of Balrath, co. Meath    [Ireland, 1718]
  1st: Matthew Aylmer (1 May 1718-18 Aug 1720)
  2nd: Henry Aylmer (18 Aug 1720-26 Jun 1754)
  3rd: Henry Aylmer (26 Jun 1754-7 Oct 1766)
  4th: Henry Aylmer (7 Oct 1766-22 Oct 1785)
  5th: Matthew Whitworth-Aylmer (22 Oct 1785-23 Feb 1850)
  6th: Frederick Whitworth William Aylmer (23 Feb 1850-5 Mar 1858)
  7th: Udolphus Aylmer (5 Mar 1858-30 Nov 1901)
  8th: Matthew Aylmer (30 Nov 1901-11 Jun 1923)
  9th: John Frederick Whitworth Aylmer (11 Jun 1923-4 Nov 1970)
10th: Kenneth Athalmar Aylmer (4 Nov 1970-1 May 1974)
11th: Basil Udolphus Aylmer (1 May 1974-13 Mar 1977)
12th: Hugh Yates Aylmer (13 Mar 1977-6 Dec 1982)
13th: Michael Anthony Aylmer (6 Dec 1982-2 Aug 2006)
14th: Anthony Julian Aylmer (2 Aug 2006- )

Baron Badeley, of Badley, co. Suffok    [United Kingdom, 1949]
  1st: Henry John Fanshawe Badeley (21 Jun 1949-27 Sep 1951)

Baron Baden-Powell, of Gilwell, co. Essex    [United Kingdom, 1929]
  1st: Robert Stephenson Smyth Baden-Powell (17 Sep 1929-8 Jan 1941)
  2nd: Arthur Robert Peter Baden-Powell (8 Jan 1941-9 Dec 1962)
  3rd: Robert Crause Baden-Powell (9 Dec 1962-28 Dec 2019)
  4th: David Michael Baden-Powell (28 Dec 2019-3 Jul 2023)
  5th: David Robert Baden-Powell (3 Jul 2023- )

Lord Badenoch, Lochaber, Strathavon, Balmore, Auchidon, Garthie and Kincardine    [Scotland, 1684]
  1st: George Gordon (1 Nov 1684-7 Dec 1716)
  2nd: Alexander Gordon (7 Dec 1716-28 Nov 1728)
  3rd: Cosmo George Gordon (28 Nov 1728-5 Aug 1752)
  4th: Alexander Gordon (5 Aug 1752-17 Jun 1827)
  5th: George Gordon (17 Jun 1827-28 May 1836)

Baron Bagot of Bagot's Bromley, co. Stafford    [Great Britain, 1780]
  1st: William Bagot (17 Oct 1780-22 Oct 1798)
  2nd: William Bagot (22 Oct 1798-12 Feb 1856)
  3rd: William Bagot (12 Feb 1856-19 Jan 1887)
  4th: William Bagot (19 Jan 1887-23 Dec 1932)
  5th: Gerald William Bagot (23 Dec 1932-5 Apr 1946)
  6th: Caryl Ernest Bagot (5 Apr 1946-5 Aug 1961)
  7th: Henry Eric Bagot (5 Aug 1961-20 Jun 1973)
  8th: Reginald Walter Bagot (20 Jun 1973-2 Oct 1979)
  9th: Heneage Charles Bagot (2 Oct 1979-19 Jan 2001)
10th: Charles Hugh Shaun Bagot (19 Jan 2001- )

Baron Baillieu, of Sefton, Commonwealth of Australia and of Parkwwod, co. Surrey    [United Kingdom, 1953]
  1st: Clive Latham Baillieu (13 Feb 1953-18 Jun 1967)
  2nd: William Latham Baillieu (18 Jun 1967-18 Apr 1973)
  3rd: James William Latham Baillieu (18 Apr 1973- )

Lord Balfour, Baron of Glenawley, co. Fermanagh    [Ireland, 1619]
  1st: James Balfour (8 Nov 1619-18 Oct 1634)
  2nd: James Balfour (18 Oct 1634-16 Feb 1636)
  3rd: Alexander Balfour (26 Feb 1636-a 1636)

Lord Balfour of Burleigh, co. Kinross    [Scotland, 1607]
  1st: Michael Balfour (16 Jul 1607-15 Mar 1619)
  2nd: Margaret Balfour (15 Mar 1619-Jun 1639) de jure
  3rd: John Balfour (Jun 1639-bt 1696-1697)
  4th: Robert Balfour (bt 1696-1697-Jul 1713)
  5th: Robert Balfour (Jul 1713-c Mar 1757)
  6th: Alexander Hugh Bruce (19 Mar 1869-6 Jul 1921) when the attainder was reversed
  7th: George John Gordon Bruce (6 Jul 1921-4 Jun 1967)
  8th: Robert Bruce (4 Jun 1967-18 Sep 2019)
  9th: Victoria Bruce (18 Sep 2019- )

Baron Balfour of Inchrye, of Shefford, co. Berks    [United Kingdom, 1945]
  1st: Harold Harington Balfour (5 Jul 1945-21 Sep 1988)
  2nd: Ian Balfour (21 Sep 1988-14 Apr 2013)

Lord Balgonie    [Scotland, 1641]
  1st: Alexander Leslie (11 Oct 1641-4 Apr 1661)
  2nd: Alexander Leslie (4 Apr 1661-15 Jul 1664)
  5th: David Leslie (27 Jul 1681-6 Jun 1728)
  6th: David Leslie (6 Jun 1728-Jun 1729)
  7th: Alexander Leslie (Jun 1729-2 Sep 1754)
  8th: David Leslie (2 Sep 1754-9 Jun 1802)
  9th: Alexander Leslie-Melville (9 Jun 1802-22 Feb 1820)
10th: David Leslie-Melville (22 Feb 1820-8 Oct 1860)
11th: John Thornton Leslie-Melville (8 Oct 1860-9 Sep 1876)
12th: Alexander Leslie-Melville (9 Sep 1876-22 Oct 1889)
13th: Ronald Ruthven Leslie-Melville (22 Oct 1889-21 Aug 1906)
14th: John David Leslie-Melville (21 Aug 1906-11 Jun 1913)
15th: Archibald Alexander Leslie-Melville (11 Jun 1913-15 Jan 1947)
16th: Alexander Robert Leslie-Melville (15 Jan 1947-7 Apr 2012)
17th: Alexander Ian Leslie-Melville (7 Apr 2012- )

Baron Balinhard, of Farnell, Forfar    [United Kingdom, 1869]
  1st: James Carnegie (7 Dec 1869-21 Feb 1905)
  2nd: Charles Noel Carnegie (21 Feb 1905-10 Nov 1941)
  3rd: Charles Alexander Carnegie (10 Nov 1941-16 Feb 1992)
  4th: James George Alexander Bannerman Carnegie (16 Feb 1992-22 Jun 2015)
  5th: David Charles Carnegie (22 Jun 2015- )

Lord of Ballyanne, co. Wexford    [Ireland, 1553]
  1st: Cahir Mac Art Boy Kavanagh (8 Feb 1553-a 1554) for life

Baron of Ballymote, co. Sligo    [Ireland, 1628]
  1st: John Taaffe (1 Aug 1628-2 Jan 1642)
  2nd: Theobald Taaffe (1642-31 Dec 1677)
  3rd: Nicholas Taaffe (31 Dec 1677-1 Jul 1690)
  4th: Francis Taaffe (2 Jul 1690-Aug 1704)
  5th: Theobald Taaffe (Aug 1704-24 Nov 1738)
  6th: Nicholas Taaffe (24 Nov 1738-30 Dec 1769)
  7th: Rodolphus Taaffe (30 Dec 1769-7 Jun 1830)
  8th: Francis John Charles Joseph Taaffe (7 Jun 1830-8 Feb 1849)
  9th: Louis Patrick John Taaffe (6 Feb 1849-21 Dec 1855)
10th: Charles Rudoph Joseph Francis Taaffe (21 Dec 1855-19 Nov 1873)
11th: Edward Francis Joseph Taaffe (19 Nov 1873-29 Nov 1895)
12th: Henry Taaffe (29 Nov 1895- )

Lord Balmerinoch    [Scotland, 1606]
  1st: James Elphinstone (11 Jul 1606-May 1612)
  2nd: John Elphinstone (4 Aug 1613-28 Feb 1649)
  3rd: John Elphinstone (28 Feb 1649-10 Jun 1704)
  4th: John Elphinstone (10 Jun 1704-13 May 1736)
  5th: James Elphinstone (13 May 1736-5 Jan 1746)
  6th: Arthur Elphinstone (5 Jan 1746-18 Aug 1746)

Baron Baltimore, of Baltimore    [Ireland, 1625]
  1st: George Calvert (16 Feb 1625-15 Apr 1632)
  2nd: Cecil Calvert (15 Apr 1632-c Dec 1675)
  3rd: Charles Calvert (Dec 1675-21 Feb 1715)
  4th: Benedict Leonard Calvert (21 Feb 1715-16 Apr 1715)
  5th: Charles Calvert (16 Apr 1715-24 Apr 1751)
  6th: Frederick Calvert (24 Apr 1751-4 Sep 1771)

Baron of Baltinglass, co. Wicklow    [Ireland, 1763]
  1st: John Stratford (21 May 1763-29 Jun 1777)
  2nd: Edward Augustus Stratford (29 Jun 1777-2 Jan 1801)
  3rd: John Stratford (2 Jan 1801-7 Mar 1823)
  4th: Benjamin O'Neale Stratford (7 Mar 1823-11 Jul 1833)
  5th: Mason Gerald Stratford (11 Jul 1833-4 Oct 1849)
  6th: Benjamin O'Neale Stratford (4 Oct 1849-19 Dec 1875)

Lord Balvaird    [Scotland, 1641]
  1st: Andrew Murray (17 Nov 1641-24 Sep 1644)
  2nd: David Murray (24 Sep 1644-14 Jul 1668)
  3rd: David Murray (14 Jul 1668-9 Nov 1731)
  4th: David Murray (9 Nov 1731-1748)
  5th: David Murray (1748-1 Sep 1796)
  6th: David William Murray (1 Sep 1796-11 Feb 1840)
  7th: William David Murray (11 Feb 1840-2 Aug 1898)
  8th: William David Murray (2 Aug 1898-29 Apr 1906)
  9th: Alan David Murray (29 Apr 1906-14 Mar 1935)
11th: William David Mungo James Murray (2 Sep 1971-21 Oct 2015)
11th: Mungo David Malcolm Murray (14 Mar 1935-2 Sep 1971)
12th: Alexander David Mungo Murray (21 Oct 2015- )

Lord of Balveny    [Scotland, 1460]
  1st: John Stewart (1460-15 Sep 1512)

Baron Banbury of Southam, of Southam, co. Warwick    [United Kingdom, 1924]
  1st: Frederick Banbury (12 Jan 1924-13 Aug 1936)
  2nd: Charles William Banbury (13 Aug 1936-29 Apr 1981)
  3rd: Charles William Banbury (29 Apr 1981- )

Baron Bandon, of Bandonbridge, co. Cork    [Ireland, 1793]
  1st: Francis Bernard (30 Nov 1793-26 Nov 1830)
  2nd: James Bernard (26 Nov 1830-31 Oct 1856)
  3rd: Francis Bernard (31 Oct 1856-17 Feb 1877)
  4th: James Francis Bernard (17 Feb 1877-18 May 1924)
  5th: Percy Ronald Gardner Bernard (18 May 1924-8 Feb 1979)

Baron of Bandon Bridge, co. Cork    [Ireland, 1628]
  1st: Lewis Boyle (28 Feb 1628-2 Sep 1642) with a special remainder to the heirs of his father
  2nd: Richard Boyle (2 Sep 1642-15 Jan 1698)
  3rd: Charles Boyle (13 Jan 1698-9 Feb 1704)
  4th: Richard Boyle (9 Feb 1704-3 Dec 1753)
  5th: John Boyle (3 Dec 1753-23 Nov 1762)
  6th: Hamilton Boyle (23 Nov 1762-17 Jan 1764)
  7th: Edmund Boyle (17 Jan 1764-6 Oct 1798)
  8th: Edmund Boyle (6 Oct 1798-29 Jun 1856)
  9th: Richard Edmund St. Lawrence Boyle (29 Jun 1856-22 Jun 1904)
10th: Charles Spencer Boyle (22 Jun 1904-25 Mar 1925)
11th: Robert John Lascelles Boyle (25 Mar 1925-13 Oct 1934)
12th: William Henry Dudley Boyle (13 Oct 1934-19 Apr 1967)
13th: Patrick Reginald Boyle (19 Apr 1967-8 Aug 1995)
14th: John William Boyle (8 Aug 1995-14 Nov 2003)
15th: John Richard Boyle (14 Nov 2003- )

Lord Banff    [Scotland, 1642]
  1st: George Ogilvy (31 Aug 1642-11 Aug 1663)
  2nd: George Ogilvy (11 Aug 1663-Mar 1668)
  3rd: George Ogilvy (Mar 1668-Nov 1713)
  4th: George Ogilvy (Nov 1713-b 12 Jan 1718)
  5th: John George Ogilvy (Jan 1718-29 Jul 1738)
  6th: Alexander Ogilvy (29 Jul 1738-Nov 1746)
  7th: Alexander Ogilvy (Nov 1746-1 Sep 1771)
  8th: William Ogilvy (1 Sep 1771-4 Jun 1803)

Baron Bangor, of Castle Ward, co. Down    [Ireland, 1770]
  1st: Bernard Ward (30 May 1770-20 May 1781)
  2nd: Nicholas Ward (20 May 1781-11 Sep 1827)
  3rd: Edward Southwell Ward (11 Sep 1827-1 Aug 1837)
  4th: Edward Ward (1 Aug 1837-14 Sep 1881)
  5th: Henry William Ward (14 Sep 1881-23 Feb 1911)
  6th: Maxwell Richard Crosbie Ward (23 Feb 1911-17 Nov 1950)
  7th: Edward Henry Harold Ward (17 Nov 1950-8 May 1993)
  8th: William Maxwell David Ward (8 May 1993- )

Baron Bannow, co. Wexford    [Ireland, 1689]
  1st: Edward Chevers (23 Aug 1689-1709)

Baron of Bantry, co. Cork    [Ireland, 1627]
  1st: Thomas Roper (27 Jun 1627-18 Feb 1638)
  2nd: Thomas Roper (18 Feb 1638-c Apr 1666)
  3rd: Cary Roper (c Apr 1666-c Aug 1672)

Baron Bantry, of Bantry, co. Cork    [Ireland, 1797]
  1st: Richard White (24 Mar 1797-2 May 1851)
  2nd: Richard White (2 May 1851-16 Jul 1868)
  3rd: William Henry Hare Hedges-White (16 Jul 1868-15 Jan 1884)
  4th: William Henry Hare Hedges-White (15 Jan 1884-30 Nov 1891)

Baron Bard of Dromboy, co. Westmeath    [Ireland, 1645]
  1st: Henry Bard (18 Jul 1645-20 Jun 1656)
  2nd: Charles Rupert Bard (20 Jun 1656-19 Jun 1667)

Lord Bargany    [Scotland, 1641]
  1st: John Hamilton (16 Nov 1641-Apr 1658)
  2nd: John Hamilton (Apr 1658-15 May 1693)
  3rd: William Hamilton (15 May 1693-c 1712)
  4th: James Hamilton (c 1712-28 Mar 1736)

Baron Barham, of Barham Court and Teston, Kent    [United Kingdom, 1805]
  1st: Charles Middleton (1 May 1805-17 Jun 1813) with remainder to his daughter
  2nd: Diana Middleton (17 Jun 1813-12 Apr 1823)
  3rd: Charles Noel (12 Apr 1823-10 Jun 1866)
  4th: Charles George Noel (10 Jun 1866-13 Aug 1881)
  5th: Charles William Francis Noel (13 Aug 1881-17 Apr 1926)
  6th: Arthur Edward Joseph Noel (17 Apr 1926-27 Aug 1927)
  7th: Anthony Gerard Edward Noel (27 Aug 1927-29 Dec 2009)
  8th: Anthony Baptist Noel (29 Dec 2009- )

Baron Barnard of Barnard's Castle, in the Bishopric of Durham    [England, 1698]
  1st: Christopher Vane (25 Jul 1698-28 Oct 1723)
  2nd: Gilbert Vane (28 Oct 1723-27 Apr 1753)
  3rd: Henry Vane (27 Apr 1753-6 Mar 1758)
  4th: Henry Vane (6 Mar 1758-8 Sep 1792)
  5th: William Henry Vane (8 Sep 1792-29 Jan 1842)
  6th: Henry Vane (29 Jan 1842-18 Jan 1864)
  7th: William John Frederick Vane (18 Jan 1864-6 Sep 1864)
  8th: Harry George Powlett (6 Sep 1864-21 Aug 1891)
  9th: Henry de Vere Vane (30 May 1892-28 Dec 1918) after his right to the succession was challenged by a Captain Francis Forester of Croom, County Limerick
10th: Christopher William Vane (28 Dec 1918-19 Oct 1964)
11th: Harry John Neville Vane (19 Oct 1964-3 Apr 2016)
12th: Henry Francis Cecil Vane (3 Apr 2016- )

Baron Barnby, of Blyth, co. Nottingham    [United Kingdom, 1922]
  1st: Francis Willey (26 Jan 1922-16 Feb 1929)
  2nd: Francis Vernon Willey (16 Feb 1929-30 Apr 1982)

Baron of the Barony of Burgh, co. Cumberland    [Great Britain, 1784]
  1st: James Lowther (24 May 1784-24 May 1802)

Baron of the Barony of Kendal, co. Westmorland    [Great Britain, 1784]
  1st: James Lowther (24 May 1784-24 May 1802)

Lord Barrett of Newburgh, co. Fife    [Scotland, 1627]
  1st: Edward Barrett (17 Oct 1627-c Dec 1644) although this creation is not in the Great Seal Register

Baron Barrington of Newcastle, co. Limerick    [Ireland, 1720]
  1st: John Barrington (1 Jul 1720-14 Dec 1734)
  2nd: William Wildman Barrington-Shute (14 Dec 1734-1 Feb 1793)
  3rd: William Wildman Barrington (1 Feb 1793-13 Jul 1801)
  4th: Richard Barrington (13 Jul 1801-8 Dec 1813)
  5th: George Barrington (8 Dec 1813-4 Mar 1829)
  6th: William Keppel Barrington (4 Mar 1829-9 Feb 1867)
  7th: George William Barrington (9 Feb 1867-6 Nov 1886)
  8th: Percy Barrington (6 Nov 1886-29 Apr 1901)
  9th: Walter Bulkeley Barrington (29 Apr 1901-12 Sep 1933)
10th: William Reginald Shute Barrington (12 Sep 1933-4 Oct 1960)
11th: Patrick William Daines Barrington (4 Oct 1960-6 Apr 1990)

Baron Barrogill, of Barrogill Castle, co. Caithness    [United Kingdom, 1866]
  1st: James Sinclair (1 May 1866-28 Mar 1881)
  2nd: George Philips Alexander Sinclair (28 Mar 1881-25 May 1889)

Lord Barry    [Ireland, 1261]
  1st: David Barry (c 1261-1278) although this creation is somewhat speculative
  2nd: John Barry (1278- )
  3rd: David Fitz David Barry (a 1285-c 1290)
  4th: John Barry (c 1290-c 1330)
  5th: David Barry (c 1330-12 May 1347)
  6th: David Barry (12 May 1347-6 Sep 1392)
  7th: John Barry (6 Sep 1392-c 1420)
  8th: William Barry (c 1420-c 1480)
  9th: John Barry (c 1480-25 Dec 1486)
10th: Thomas Barry (25 Dec 1486-a 27 Jun 1488)
11th: William Barry (c Jul 1488-1500)
12th: John Barry (1500-c 1530)
13th: John fitz John Barry (c 1530-c 1534)
14th: John fitz John Barry (c 1534-bt 1553-1553)
15th: Edmond Barry (bt 1553-1553-c 1556)
16th: James fitz John Barry (c 1556-20 Mar 1558)
17th: James Fitz Richard Barry (20 Mar 1558-10 Apr 1581)
18th: David Barry (10 Apr 1581-10 Apr 1617)
19th: David Barry (10 Apr 1617-29 Sep 1642)
20th: Richard Barry (29 Sep 1642-Nov 1694)
21st: Laurence Barry (Nov 1694-17 Apr 1699)
22nd: James Barry (17 Apr 1699-5 Jan 1748)
23rd: James Barry (5 Jan 1748-19 Dec 1751)
24th: Richard Barry (19 Dec 1751-1 Aug 1773)
25th: Richard Barry (1 Aug 1773-6 Mar 1793)
26th: Henry Barry (6 Mar 1793-18 Dec 1823)

Baron Barry of Santry, co. Dublin    [Ireland, 1661]
  1st: James Barry (18 Feb 1661-9 Feb 1673)
  2nd: Richard Barry (9 Feb 1673-Oct 1694)
  3rd: Henry Barry (Oct 1694-27 Jan 1735)
  4th: Henry Barry (27 Jan 1735-18 Mar 1751)

Baron Barrymore, of Barrymore, co. Cork    [United Kingdom, 1902]
  1st: Arthur Hugh Smith-Barry (18 Jul 1902-22 Feb 1925)

Baron Basing of Basing Byflete and of Hoddington, both in co. Southampton    [United Kingdom, 1887]
  1st: George Sclater-Booth (7 Jul 1887-22 Oct 1894)
  2nd: George Sclater-Booth (22 Oct 1894-8 Apr 1919)
  3rd: John Limbrey Robert Sclater-Booth (8 Apr 1919-2 Oct 1969)
  4th: George Lutley Sclater-Booth (2 Oct 1969-18 Sep 1983)
  5th: Neil Lutley Sclater-Booth (18 Sep 1983-24 Nov 2007)
  6th: Stuart Anthony Whitfield Sclater-Booth (24 Nov 2007- )

Baron Basset of Stratton, Cornwall    [Great Britain, 1797]
  1st: Francis Basset (30 Nov 1797-5 Feb 1835) with a special remainder to his daughter, Frances Basset
  2nd: Frances Basset (14 Feb 1835-22 Jan 1855) suo jure

Baron Bateman of Shobdon, co. Hereford    [United Kingdom, 1837]
  1st: William Bateman-Hanbury (30 Jan 1837-22 Jul 1845)
  2nd: William Bateman-Hanbury (22 Jul 1845-30 Nov 1901)
  3rd: William Spencer Bateman-Hanbury (30 Nov 1901-4 Nov 1931)

Baroness of Bath, Somerset    [Great Britain, 1792]
  1st: Henrietta Laura Pulteney (26 Jul 1792-14 Jul 1808) suo jure

Baron Bathurst of Battlesden, co. Bedford    [Great Britain, 1712]
  1st: Allen Bathurst (1 Jan 1712-16 Sep 1775)
  2nd: Henry Bathurst (16 Sep 1775-6 Aug 1794)
  3rd: Henry Bathurst (6 Aug 1794-27 Jul 1834)
  4th: Henry George Bathurst (27 Jul 1834-25 May 1866)
  5th: William Lennox Bathurst (25 May 1866-24 Feb 1878)
  6th: Allen Alexander Bathurst (24 Feb 1878-1 Aug 1892)
  7th: Seymour Henry Bathurst (1 Aug 1892-21 Sep 1943)
  8th: Henry Allen John Bathurst (21 Sep 1943-16 Oct 2011)
  9th: Allen Christopher Bertram Bathurst (16 Oct 2011- )

Baron Battersea of Battersea, co. London and of Overstrand, Norfolk    [United Kingdom, 1892]
  1st: Cyril Flower (5 Sep 1892-27 Nov 1907)

Baron Bayford, of Stoke Trister, co. Somerset    [United Kingdom, 1929]
  1st: Robert Arthur Sanders (18 Jun 1929-24 Feb 1940)

Baron Bayning of Foxley, Berkshire    [Great Britain, 1797]
  1st: Charles Townshend (20 Oct 1797-19 May 1810)
  2nd: Charles Powlett (19 May 1810-2 Aug 1823)
  3rd: Henry William-Powlett (2 Aug 1823-5 Aug 1866)

Baron Bayning of Horkesley, Essex    [England, 1628]
  1st: Paul Bayning (27 Feb 1628-29 Jul 1629)
  2nd: Paul Bayning (29 Jul 1629-11 Jun 1638)

Baron Bearsted, of Maidstone, co. Kent    [United Kingdom, 1921]
  1st: Marcus Samuel (15 Jun 1921-17 Jan 1927)
  2nd: Walter Horace Samuel (19 Jan 1927-8 Nov 1948)
  3rd: Marcus Richard Samuel (8 Nov 1948-15 Oct 1986)
  4th: Peter Montefiore Samuel Samuel (15 Oct 1986-9 Jun 1996)
  5th: Nicholas Alan Samuel (9 Jun 1996- )

Baron Beatty, of the North Sea and of Brooksby, co. Leicester    [United Kingdom, 1919]
  1st: David Beatty (27 Sep 1919-11 Mar 1936)
  2nd: David Field Beatty (11 Mar 1936-10 Jun 1972)
  3rd: David Beatty (10 Jun 1972- )

Baron Beauchamp    [England, 1559]
  1st: Edward Seymour (13 Jan 1559-6 Apr 1621)
  2nd: William Seymour (Feb 1621-24 Oct 1660) in his father's lifetime
  3rd: William Seymour (24 Oct 1660-12 Dec 1671)
  4th: John Seymour (12 Dec 1671-29 Apr 1675)
  5th: Francis Seymour (29 Apr 1675-20 Apr 1678)
  6th: Charles Seymour (20 Apr 1678-2 Dec 1748)
  7th: Algernon Seymour (2 Dec 1748-7 Feb 1750)

Lord de Beauchamp, Baron of Kidderminster    [England, 1387]
  1st: John Beauchamp (10 Oct 1387-12 May 1388)
  2nd: John Beauchamp (1398-Sep 1420) after the reversal of his father's attainder

Baron Beauchamp of Powick, co. Worcester    [England, 1447]
  1st: John Beauchamp (2 May 1447-bt 1475-1475)
  2nd: Richard Beauchamp (bt 1475-1475-19 Jan 1503)

Baron Beauchamp of Powyk, co. Gloucestershire    [United Kingdom, 1806]
  1st: William Lygon (26 Feb 1806-21 Oct 1816)
  2nd: William Beauchamp Lygon (21 Oct 1816-12 May 1823)
  3rd: John Reginald Pyndar (12 May 1823-22 Jan 1853)
  4th: Henry Beauchamp Lygon (22 Jan 1853-8 Sep 1863)
  5th: Henry Lygon (8 Sep 1863-4 Mar 1866)
  6th: Frederick Lygon (4 Mar 1866-19 Feb 1891)
  7th: William Lygon (19 Feb 1891-15 Nov 1938)
  8th: William Lygon (15 Nov 1938-3 Jan 1979)

Baron Beaulieu, of Beaulieu, co. Southampton    [Great Britain, 1762]
  1st: Edward Hussey-Montagu (11 May 1762-25 Nov 1802)

Baron Beauvale, of Beauvale, co. Nottingham    [United Kingdom, 1839]
  1st: Frederic James Lamb (20 Apr 1839-29 Jan 1853)

Baron Beaverbrook, of Beaverbrook, in the province of New Brunswick, Canada    [United Kingdom, 1917]
  1st: William Maxwell Aitken (2 Jan 1917-9 Jun 1964)
  2nd: John William Maxwell Aitken (9 Jun 1964-30 Apr 1985)
  3rd: Maxwell William Humphrey Aitken (30 Apr 1985- )

Baron Belasyse of Worlaby, co. Lincoln    [England, 1645]
  1st: John Belasyse (27 Jan 1645-10 Sep 1689)
  2nd: Henry Belasyse (10 Sep 1689-c Aug 1691)

Baron Belfield, of co. Westmeath    [Ireland, 1738]
  1st: Robert Rochfort (16 Mar 1738-13 Nov 1774)
  2nd: George Rochfort (13 Nov 1774-13 May 1814)

Lord Belhaven and Stenton, co. Haddington    [Scotland, 1647]
  1st: John Hamilton (15 Dec 1647-17 Jun 1679) with special remainder to all of his heirs male
  2nd: John Hamilton (17 Jun 1679-21 Jun 1708)
  3rd: John Hamilton (21 Jun 1708-27 Nov 1721)
  4th: John Hamilton (27 Nov 1721-28 Aug 1764)
  5th: James Hamilton (28 Aug 1764-25 Jan 1777)
  6th: Robert Hamilton (25 Jan 1777-27 Mar 1784) de jure, although he never actually assumed the title
  7th: William Hamilton (27 Mar 1784-29 Oct 1814)
  8th: Robert Montgomery Hamilton (20 Oct 1814-22 Dec 1868)
  9th: James Hamilton (22 Dec 1868-6 Sep 1893)
10th: Alexander Charles Hamilton (6 Sep 1893-31 Oct 1920)
11th: Robert Edward Archibald Udny-Hamilton (31 Mar 1918-26 Oct 1950)
12th: Robert Alexander Benjamin Hamilton (20 Oct 1950-10 Jul 1961)
13th: Robert Anthony Carmichael Hamilton (10 Jul 1961-2 Dec 2020)
14th: Frederick Carmichael Arthur Hamilton (2 Dec 2020- )

Lord Bellenden of Broughton, in Midlothian    [Scotland, 1661]
  1st: William Bellenden (10 Jun 1661-c 3 Sep 1671) for adherring to the Royal Family during the civil wars
  2nd: John Bellenden (23 Dec 1671-b 5 Nov 1706)
  3rd: John Bellenden (Mar 1707-16 Mar 1741)
  4th: Ker Bellenden (16 Mar 1741-2 Mar 1753)
  5th: John Ker Bellenden (2 Mar 1753-20 Oct 1796)
  6th: Robert Bellenden (20 Oct 1796-13 Oct 1797)
  7th: William Bellenden-Ker (13 Oct 1797-22 Oct 1805)

Baron Bellew of Barmeath, co. Louth    [Ireland, 1848]
  1st: Patrick Bellew (10 Jul 1848-10 Dec 1866)
  2nd: Edward Joseph Bellew (10 Dec 1866-28 Jul 1895)
  3rd: Charles Bertram Bellew (28 Jul 1895-15 Jul 1911)
  4th: George Leopold Bryan (15 Jul 1911-15 Jun 1935)
  5th: Edward Henry Bellew (15 Jun 1935-8 Aug 1975)
  6th: Bryan Bertram Bellew (8 Aug 1975-7 Sep 1981)
  7th: James Bryan Bellew (7 Sep 1981-3 Aug 2010)
  8th: Bryan Edward Bellew (3 Aug 2010- )

Baron Bellew of Duleek    [Ireland, 1686]
  1st: John Bellew (29 Oct 1686-12 Jan 1693) for his fidelity to King James II
  2nd: Walter Bellew (12 Jan 1693-1694)
  3rd: Richard Bellew (1694-22 Mar 1715)
  4th: John Bellew (22 Mar 1715-18 Aug 1770)

Baron Belmore of Castle Coole, co. Fermanagh    [Ireland, 1781]
  1st: Armar Lowry-Corry (6 Jan 1781-2 Feb 1802)
  2nd: Somerset Lowry-Corry (2 Feb 1802-18 Apr 1841)
  3rd: Armar Lowry-Corry (18 Apr 1841-17 Dec 1845)
  4th: Somerset Richard Lowry-Corry (17 Dec 1845-6 Apr 1913)
  5th: Armar Lowry-Corry (6 Apr 1913-12 Feb 1948)
  6th: Cecil Lowry-Corry (12 Feb 1948-2 Mar 1949)
  7th: Galbraith Armar Lowry-Corry (2 Mar 1949-20 Jul 1960)
  8th: John Armar Lowry-Corry (20 Jul 1960- )

Baron Belper, of Belper, co. Derby    [United Kingdom, 1856]
  1st: Edward Strutt (29 Aug 1856-30 Jun 1880)
  2nd: Henry Strutt (30 Jun 1880-26 Jul 1914)
  3rd: Algernon Henry Strutt (26 Jul 1914-20 May 1956)
  4th: Alexander Ronald George Strutt (20 Mar 1956-23 Dec 1999)
  5th: Richard Henry Strutt (23 Dec 1999- )

Baron Belstead, of Ipswich, co. Suffolk    [United Kingdom, 1938]
  1st: Francis John Childs Ganzoni (27 Jan 1938-15 Aug 1958)
  2nd: John Julian Ganzoni (15 Aug 1958-3 Dec 2005)

Baron Bennett of Edgbaston, of Sutton Coldfield, co. Warwick    [United Kingdom, 1953]
  1st: Peter Frederick Blaker Bennett (1 Jul 1953-29 Sep 1957)

Baron Beresford, of Beresford, co. Cavan    [Ireland, 1720]
  1st: Marcus Beresford (4 Nov 1720-4 Apr 1763)
  2nd: George de la Poer Beresford (4 Apr 1763-3 Dec 1800)
  3rd: Henry de la Poer Beresford (3 Dec 1800-16 Jul 1826)
  4th: Henry de la Poer Beresford (16 Jul 1826-29 Mar 1859)
  5th: John Beresford (29 Mar 1859-6 Nov 1866)
  6th: John Henry de la Poer Beresford (6 Nov 1866-23 Oct 1895)
  7th: Henry de la Poer Beresford (23 Oct 1895-1 Dec 1911)
  8th: John Charles de la Poer Beresford (1 Dec 1911-25 Sep 1934)
  9th: John Hubert de la Poer Beresford (25 Sep 1934-12 Feb 2015)
10th: Henry Nicholas de la Poer Beresford (12 Feb 2015- )

Baron Beresford, of Metemmeh and Curarghmore, co. Waterford    [United Kingdom, 1916]
  1st: Charles William de la Poer Beresford (22 Jan 1916-6 Sep 1919)

Baron Beresford of Albuera and Dungarvan, co. Waterford    [United Kingdom, 1814]
  1st: William Carr Beresford (17 May 1814-8 Jan 1854)

Baron Berkeley of Rathdowne, co. Wicklow    [Ireland, 1663]
  1st: Charles Berkeley (1 Jul 1663-1665) with a special remainder to his father

Baron Berkeley of Stratton, Cornwall    [England, 1658]
  1st: John Berkeley (19 May 1658-28 Aug 1678) created during King Charles II's exile in Brussels
  2nd: Charles Berkeley (8 Aug 1678-6 Mar 1682)
  3rd: John Berkeley (6 Mar 1682-27 Feb 1697)
  4th: William Berkeley (27 Feb 1697-24 Mar 1741)
  5th: John Berkeley (24 Mar 1741-18 Apr 1773)

Lord Berriedale    [Scotland, 1449]
20th: Malcolm Ian Sinclair (9 May 1965- )

Baron Bertie of Thame, co. Oxford    [United Kingdom, 1915]
  1st: Francis Leveson Bertie (28 Jun 1915-26 Sep 1919)
  2nd: Vere Frederick Bertie (26 Sep 1919-29 Aug 1954)

Baron Berwick of Attingham, co. Shropshire    [Great Britain, 1784]
  1st: Noel Hill (19 May 1784-6 Jan 1789)
  2nd: Thomas Noel Hill (6 Jan 1789-3 Nov 1832)
  3rd: William Noel-Hill (3 Nov 1832-4 Aug 1842)
  4th: Richard Noel-Hill (4 Aug 1842-28 Sep 1848)
  5th: Richard Noel Noel-Hill (28 Sep 1848-12 Apr 1861)
  6th: William Noel-Hill (12 Apr 1861-24 Nov 1882)
  7th: Richard Henry Noel-Hill (24 Nov 1882-2 Nov 1897)
  8th: Thomas Henry Noel-Hill (2 Nov 1897-12 Jun 1947)
  9th: Charles Michael Wentworth Noel-Hill (12 Jun 1947-27 Jan 1953)

Baron Bessborough, of Bessborough, co. Kilkenny    [Ireland, 1721]
  1st: William Ponsonby (11 Sep 1721-17 Nov 1724)
  2nd: Brabazon Ponsonby (17 Nov 1724-4 Jul 1758)
  3rd: William Ponsonby (4 Jul 1758-11 Mar 1793)
  4th: Frederick Ponsonby (11 Mar 1793-3 Feb 1844)
  5th: John William Ponsonby (3 Feb 1844-16 May 1847)
  6th: John George Brabazon Ponsonby (16 May 1847-28 Jan 1880)
  7th: Frederick George Brabazon Ponsonby (28 Jan 1880-11 Mar 1895)
  8th: Walter William Brabazon Ponsonby (11 Mar 1895-24 Feb 1906)
  9th: Edward Ponsonby (24 Feb 1906-1 Dec 1920)
10th: Vere Brabazon Ponsonby (1 Dec 1920-10 Mar 1956)
11th: Frederick Edward Neuflize Ponsonby (10 Mar 1956-5 Dec 1993)
12th: Arthur Mountifort Longfield Ponsonby (5 Dec 1993-5 Apr 2002)
13th: Myles Fitzhugh Longfield Ponsonby (5 Apr 2002- )

Baron Bethell, of Romford, co. Essex    [United Kingdom, 1922]
  1st: John Henry Bethell (23 Nov 1922-27 May 1945)
  2nd: John Raymond Bethell (27 May 1945-30 Sep 1965)
  3rd: Guy Anthony John Bethell (30 Sep 1965-2 Dec 1967)
  4th: Nicholas William Bethell (2 Dec 1967-8 Sep 2007)
  5th: James Nicholas Bethell (8 Sep 2007- )

Baron Beveridge, of Tuggal, co. Northumberland    [United Kingdom, 1946]
  1st: William Henry Beveridge (25 Jun 1946-16 Mar 1963)

Baron Bexley, of Bexley, Kent    [United Kingdom, 1823]
  1st: Nicholas Vansittart (1 Mar 1823-8 Feb 1851)

Baron Bicester, of Tusmore, co. Oxford    [United Kingdom, 1938]
  1st: Vivian Hugh Smith (29 Jun 1938-17 Feb 1956)
  2nd: Randall Hugh Vivian Smith (17 Feb 1956-15 Jan 1968)
  3rd: Angus Edward Vivian Smith (15 Jan 1968-11 Dec 2014)
  4th: Hugh Charles Vivian Smith (11 Dec 2014-11 Aug 2016)
  5th: Charles James Vivian Smith (11 Aug 2016- )

Baron Biddulph, of Ledbury, co. Hereford    [United Kingdom, 1903]
  1st: Michael Biddulph (1 Aug 1903-6 Apr 1923)
  2nd: John Michael Gordon Biddulph (6 Apr 1923-17 Dec 1949)
  3rd: Michael William John Biddulph (17 Dec 1949-21 Jul 1972)
  4th: Robert Michael Christian Biddulph (21 Jul 1972-3 Nov 1988)
  5th: Anthony Nicholas Colin Maitland Biddulph (3 Nov 1988- )

Baron Bilsland, of Kinrara, co. Inverness    [United Kingdom, 1950]
  1st: Alexander Steven Bilsland (31 Jan 1950-10 Dec 1970)

Baron Bingham, of Melcombe Bingham, co. Dorset    [United Kingdom, 1934]
  1st: George Charles Bingham (26 Jun 1934-20 Apr 1949)
  2nd: George Charles Patrick Bingham (20 Apr 1949-21 Jan 1964)
  3rd: Richard John Bingham (21 Jan 1964-a Nov 1974)

Baron of Bingley, co. York    [Great Britain, 1713]
  1st: Robert Benson (21 Jul 1713-9 Apr 1731)

Baron Bingley, co. York    [Great Britain, 1762]
  1st: George Fox-Lane (13 May 1762-22 Feb 1773)

Baron Bingley, of Bramham, co. York    [United Kingdom, 1933]
  1st: George Richard Lane-Fox (24 Jul 1933-11 Dec 1947)

Lord Binning    [Scotland, 1613]
  1st: Thomas Hamilton (19 Nov 1613-29 May 1637)
  2nd: Thomas Hamilton (29 May 1637-30 Aug 1640)
  3rd: Thomas Hamilton (30 Aug 1640-8 Feb 1645)
  4th: John Hamilton (8 Feb 1645-31 Aug 1669)
  5th: Charles Hamilton (31 Aug 1669-May 1685)
  6th: Thomas Hamilton (May 1685-28 Nov 1735)
  7th: Thomas Hamilton (28 Nov 1735-19 May 1794)
  8th: Charles Hamilton (19 May 1794-17 Mar 1828)
  9th: Thomas Hamilton (17 Mar 1858-1 Dec 1858)
10th: George Baillie-Hamilton (1 Dec 1858-25 Jun 1870)
11th: George Baillie-Hamilton (25 Jun 1870-11 Jun 1917)
12th: George Baillie-Hamilton (11 Jun 1917-17 Apr 1986)
13th: John George Baillie-Hamilton (17 Apr 1986-5 Jul 2016)
14th: George Edmund Baldred Baillie-Hamilton (5 Jul 2016- )

Baron Birdwood, of Anzac, and of Totnes, co. Devon    [United Kingdom, 1938]
  1st: William Riddell Birdwood (25 Jan 1938-17 May 1951)
  2nd: Christopher Bromhead Birdwood (17 May 1951-5 Jan 1962)
  3rd: Mark William Ogilvie Birdwood (5 Jan 1962-11 Jul 2015)

Baron Birkenhead, of Birkenhead, co. Chester    [United Kingdom, 1919]
  1st: Frederick Edwin Smith (3 Feb 1919-30 Sep 1930)
  2nd: Frederick Winston Furneaux Smith (30 Sep 1930-10 Jun 1975)
  3rd: Frederick William Robin Smith (10 Jun 1975-16 Feb 1985)

Baron Birkett, of Ulverston, in the County Palatine of Lancaster    [United Kingdom, 1958]
  1st: William Norman Birkett (31 Jan 1958-10 Feb 1962)
  2nd: Michael Birkett (10 Feb 1962-3 Apr 2015)
  3rd: Thomas Birkett (3 Apr 2015- )

Baron Blachford, of Wisdome and Blachford, co. Devon    [United Kingdom, 1871]
  1st: Frederick Rogers (4 Nov 1871-21 Nov 1889)

Baron Blackford, of Compton Pauncefoot, co. Somerset    [United Kingdom, 1935]
  1st: William James Peake Mason (26 Jun 1935-21 Jul 1947)
  2nd: Glyn Keith Murray Mason (21 Jul 1947-31 Dec 1972)
  3rd: Keith Alexander Henry Mason (31 Dec 1972-21 Apr 1977)
  4th: William Keith Mason (21 Apr 1977-15 May 1988)

Baron Blakeney of Blakeney Castle, co. Galway    [Ireland, 1756]
  1st: William Blakeney (18 Dec 1756-20 Sep 1761)

Lord of Blantyre    [Scotland, 1606]
  1st: Walter Stewart (10 Jul 1606-8 Mar 1617)
  2nd: William Stewart (8 Mar 1617-29 Nov 1638)
  3rd: Walter Stewart (29 Nov 1638-Oct 1641)
  4th: Alexander Stewart (Oct 1641-c May 1676)
  5th: Alexander Stewart (c May 1676-20 Jun 1704)
  6th: Walter Stuart (20 Jun 1704-23 Jun 1713)
  7th: Robert Stuart (23 Jun 1723-17 Nov 1743)
  8th: Walter Stuart (17 Nov 1743-21 May 1751)
  9th: William Stuart (21 May 1751-16 Jan 1776)
10th: Alexander Stuart (16 Jan 1776-5 Nov 1783)
11th: Robert Walter Stuart (5 Nov 1783-22 Sep 1830)
12th: Charles Stuart (22 Sep 1830-15 Dec 1900)

Baron de Blaquiere of Ardkill, co. Londonderry    [Ireland, 1800]
  1st: John Blaquiere (30 Jul 1800-27 Aug 1812) for his support of the union of Ireland
  2nd: John Blaquiere (27 Aug 1812-7 Apr 1844)
  3rd: William Blaquiere (7 Apr 1844-12 Nov 1851) but never established his right to vote
  4th: John Blaquiere (12 Nov 1851-2 Jan 1871)
  5th: William Blaquiere (2 Jan 1871-24 Nov 1889)
  6th: William Blaquiere (24 Nov 1889-28 Jul 1920)

Lord Blayney, Baron of Monaghan, co. Monaghan    [Ireland, 1621]
  1st: Edward Blayney (29 Jul 1621-11 Feb 1630)
  2nd: Henry Blayney (11 Feb 1630-5 Jun 1646)
  3rd: Edward Blayney (5 Jun 1646-c Dec 1669)
  4th: Richard Blayney (Dec 1669-3 Nov 1670)
  5th: Henry Vincent Blayney (3 Nov 1670-Aug 1689)
  6th: William Blayney (Aug 1689-3 Jan 1706)
  7th: Cadwallader Blayney (3 Jan 1706-19 Mar 1733)
  8th: Charles Talbot Blayney (19 Mar 1733-29 Sep 1761)
  9th: Cadwallader Blayney (29 Sep 1761-13 Nov 1775)
10th: Cadwallader Davis Blayney (13 Nov 1775-2 Apr 1784)
11th: Andrew Thomas Blayney (2 Apr 1784-8 Apr 1834)
12th: Cadwallader Davis Blayney (8 Apr 1834-18 Jan 1874)

Baron Bledisloe, of Lydney, co. Gloucester    [United Kingdom, 1918]
  1st: Charles Bathurst (15 Oct 1918-3 Jul 1958)
  2nd: Benjamin Ludlow Bathurst (3 Jul 1958-17 Sep 1979)
  3rd: Christopher Hiley Ludlow Bathurst (17 Sep 1979-12 May 2009)
  4th: Rupert Edward Ludlow Bathurst (12 May 2009- )

Baron Bloomfield of Ciamhaltha, co. Tipperary    [United Kingdom, 1871]
  1st: John Arthur Douglas Bloomfield (7 Aug 1871-17 Aug 1879)

Baron Bloomfield of Oakhampton and Redwood, co. Tipperary    [Ireland, 1825]
  1st: Benjamin Bloomfield (14 May 1825-15 Aug 1846)
  2nd: John Arthur Douglas Bloomfield (15 Aug 1846-17 Aug 1879)

Baron Blundell of Edenberry, King's County    [Ireland, 1720]
  1st: Montague Blundell (22 Nov 1720-19 Aug 1756)

Baron Blyth, of Blythswood, Stansted-Mountfitchet, Essex    [United Kingdom, 1907]
  1st: James Blyth (19 Jul 1907-8 Feb 1925)
  2nd: Herbert William Blyth (8 Feb 1925-27 Feb 1943)
  3rd: Ian Audley James Blyth (27 Feb 1943-29 Oct 1977)
  4th: Anthony Audley Rupert Blyth (29 Oct 1977-20 Jan 2009)
  5th: James Audley Ian Blyth (20 Jan 2009- )

Baron Blythswood, co. Renfrew    [United Kingdom, 1892]
  1st: Archibald Campbell (24 Aug 1892-8 Jul 1908) with a special remainder to five of his younger brothers
  2nd: Sholto Campbell (8 Jul 1908-30 Sep 1916)
  3rd: Barrington Bulkeley Campbell (30 Sep 1916-13 Mar 1918)
  4th: Archibald Campbell (13 Mar 1918-14 Nov 1929)
  5th: Barrington Sholto Douglas Campbell (14 Nov 1929-3 Mar 1937)
  6th: Leopold Colin Henry Douglas Campbell (3 Mar 1937-8 Feb 1940)
  7th: Philip Archibald Douglas Campbell (8 Feb 1940-14 Sep 1940)

Baron Bolebroke, co. Sussex    [Great Britain, 1782]
  1st: George Sackville (11 Feb 1782-26 Aug 1785)
  2nd: Charles Sackville (26 Aug 1785-29 Jul 1843)

Baroness Bolsover, of Bolsover Castle, co. Derby    [United Kingdom, 1880]
  1st: Augusta Mary Elizabeth Browne (23 Apr 1880-7 Aug 1893) with a special remainder to the heirs male of her husband, Arthur Cavendish-Bentinck, regardless of by which of his wives
  2nd: William John Arthur Charles James Cavendish-Bentinck (7 Aug 1893-26 Apr 1943)
  3rd: William Arthur Henry Cavendish-Bentinck (26 Apr 1943-21 Mar 1977)
  4th: Ferdinand William Cavendish-Bentinck (21 Mar 1977-13 Dec 1980)
  5th: Victor Frederick William Cavendish-Bentinck (13 Dec 1980-30 Jul 1990)

Baron Bolton of Bolton Castle, co. York    [Great Britain, 1797]
  1st: Thomas Orde-Powlett (20 Oct 1797-30 Jul 1807)
  2nd: William Orde-Powlett (30 Jul 1807-13 Jul 1850)
  3rd: William Henry Orde-Powlett (13 Jul 1850-7 Nov 1895)
  4th: William Thomas Orde-Powlett (7 Nov 1895-14 Aug 1922)
  5th: William George Algar Orde-Powlett (14 Aug 1922-11 Dec 1944)
  6th: Nigel Amyas Orde-Powlett (11 Dec 1944-15 Jun 1963)
  7th: Richard William Algar Orde-Powlett (15 Jun 1963-29 Jul 2001)
  8th: Harry Algar Nigel Orde-Powlett (29 Jul 2001-10 Jun 2023)
  9th: Thomas Peter Algar Orde-Powlett (10 Jun 2023- )

Baron Boringdon of Boringdon, co. Devon    [Great Britain, 1784]
  1st: John Parker (17 May 1784-27 Apr 1788)
  2nd: John Parker (27 Apr 1788-14 Mar 1840)
  3rd: Edmund Parker (14 Mar 1840-28 Apr 1864)
  4th: Albert Edmund Parker (28 Aug 1864-26 Feb 1905)
  5th: Edmund Robert Parker (26 Feb 1905-10 Oct 1951)
  6th: Montagu Brownlow Parker (10 Oct 1951-28 Apr 1962)
  7th: John St. Aubyn Parker (28 Apr 1962-20 Sep 2015)
  8th: Mark Lionel Parker (20 Sep 2015- )

Lord Borthwick    [Scotland, 1452]
  1st: William Borthwick (12 Jun 1452-c 6 Dec 1483)
  2nd: William Borthwick (a 1467-fr 1483-1484)
  3rd: William Borthwick (fr 1483-1484-9 Sep 1513)
  4th: William Borthwick (20 May 1503-fr 1543-1544)
  5th: John Borthwick (1544-28 Mar 1566)
  6th: William Borthwick (Mar 1566-Oct 1582)
  7th: James Borthwick (Oct 1582-Dec 1599)
  8th: John Borthwick (Dec 1599-Nov 1623)
  9th: John Borthwick (Nov 1623-bt 1674-1675)
10th: William Borthwick (bt 1673-1675-bt 1687-1690) although he never claimed the title
11th: William Borthwick (bt 1687-1690-23 May 1706) although he never claimed the title
12th: Henry Borthwick (23 May 1706-27 May 1706) although he never claimed the title
13th: William Borthwick (27 May 1706-b 28 Nov 1723) although he never claimed the title
14th: Henry Borthwick (1727-6 Sep 1772)
15th: Patrick Borthwick (6 Sep 1772-6 Oct 1772) although he never claimed his title
16th: Archibald Borthwick (6 Oct 1772-13 Jul 1815) although he never used his title
17th: Patrick Borthwick (13 Jul 1815-12 Apr 1840) although he never used his title
18th: Archibald Borthwick (12 Apr 1840-3 Jul 1863) although he never used his title
19th: Cunninghame Borthwick (3 Jul 1863-24 Dec 1885)
20th: Archibald Patrick Thomas Borthwick (24 Dec 1885-4 Oct 1910)
21st: William Henry Borthwick (4 Oct 1910-8 Oct 1928) de jure
22nd: Henry Borthwick (8 Oct 1928-27 May 1937) de jure
23rd: John Henry Stuart Borthwick (1986-30 Dec 1996) after being recognised by the Lord Lyon
24th: John Hugh Borthwick (30 Sep 1996- )

Baron Borwick, of Hawkshead, co. Lancaster    [United Kingdom, 1922]
  1st: Robert Hudson Borwick (17 Jul 1922-27 Jan 1936)
  2nd: George Borwick (27 Jan 1936-27 Jan 1941)
  3rd: Robert Geoffrey Borwick (27 Jan 1941-30 Jan 1961)
  4th: James Hugh Myles Borwick (30 Jan 1961-19 Apr 2007)
  5th: Geoffrey Robert James Borwick (19 Apr 2007- )

Baron of Boscawen Rose, co. Cornwall    [Great Britain, 1720]
  1st: Hugh Boscawen (9 Jun 1720-25 Oct 1734)
  2nd: Hugh Boscawen (25 Oct 1734-4 Feb 1782)
  3rd: George Evelyn Boscawen (4 Feb 1782-8 Feb 1808)
  4th: Edward Boscawen (8 Feb 1808-29 Dec 1841)
  5th: George Henry Boscawen (29 Dec 1841-29 Aug 1852)
  6th: Evelyn Boscawen (29 Aug 1852-6 Nov 1889)
  7th: Evelyn Edward Thomas Boscawen (6 Nov 1889-1 Oct 1918)
  8th: Evelyn Hugh John Boscawen (1 Oct 1918-18 Feb 1962)
  9th: George Hugh Boscawen (18 Feb 1962-7 Mar 2022)
10th: Evelyn Arthur Hugh Boscawen (7 Mar 2022- )

Baron Boston, of Boston, co. Lincoln    [Great Britain, 1761]
  1st: William Irby (10 Apr 1761-30 Mar 1775)
  2nd: Frederick Irby (30 Mar 1775-23 Mar 1825)
  3rd: George Irby (23 Mar 1825-12 Mar 1856)
  4th: George Ives Irby (12 Mar 1856-22 Dec 1869)
  5th: Florance George Henry Irby (22 Dec 1869-4 Jan 1877)
  6th: George Florance Irby (4 Jan 1877-16 Sep 1941)
  7th: Greville Northey Irby (16 Sep 1941-16 Sep 1958)
  8th: Cecil Eustace Irby (16 Sep 1958-12 Oct 1972)
  9th: Gerald Howard Boteler Irby (12 Oct 1972-17 Feb 1978)
10th: Timothy George Frank Boteler Irby (17 Feb 1978-3 Feb 2007)
11th: George William Eustace Boteler Irby (3 Feb 2007- )

Baron of Bosworth, co. Leicester    [England, 1687]
  1st: James FitzJames (19 Mar 1687-12 Jun 1734)

Baron Boteler of Brantfield, co. Hertford    [England, 1628]
  1st: John Boteler (30 Jul 1628-27 May 1637)
  2nd: William Boteler (27 May 1637-1647)

Baron Botetourt of Langport, co. Somerset    [England, 1664]
  1st: Charles Berkeley (17 Mar 1664-1665)

Lord Bothwell, of Balmain and Fasque, Kinchardineshire    [Scotland, 1483]
  1st: John Ramsay (b 16 Feb 1483-9 Sep 1513)

Lord Bothwell and Hartside    [Scotland, 1651]
  1st: Archibald Douglas (3 Apr 1651-16 Apr 1655) but also did not pass the Great Seal

Baron Bottesford of Bottesford, co. Leicester    [United Kingdom, 1835]
  1st: Charles Manners-Sutton (10 Mar 1835-21 Jul 1845)
  2nd: Charles John Manners-Sutton (21 Jul 1845-13 Nov 1869)
  3rd: John Henry Thomas Manners-Sutton (13 Nov 1869-24 Jun 1877)
  4th: Henry Charles Manners-Sutton (23 Jun 1877-19 Feb 1914)
  5th: Henry Frederick Walpole Manners-Sutton (19 Feb 1914-22 Oct 1918)
  6th: Charles Graham Manners-Sutton (22 Oct 1918-26 Feb 1941)

Lord Bourke, Baron of Brittas, co. Limerick    [Ireland, 1618]
  1st: Theobald Bourke (17 Feb 1618-1654)
  2nd: John Bourke (1654-6 Jan 1659)
  3rd: Theobald Bourke (6 Jan 1659-bt 1705-1706)

Baron Bourke of Bophin, co. Galway    [Ireland, 1689]
  1st: John Bourke (2 Apr 1689-17 Oct 1722)

Baron Bourke of Connell, in Ireland    [Ireland, 1580]
  1st: William Bourke (16 May 1580-1584)
  2nd: John Bourke (1584-14 Jan 1592)
  3rd: Richard Bourke (14 Jan 1592-c 26 Jan 1600)
  4th: Edmund Bourke (c 26 Jan 1600-26 Mar 1638)
  5th: William Bourke (26 Mar 1638-c 1665)
  6th: Thomas Bourke (c 1665-1687)
  7th: William Bourke (1687- )

Lord Bowes of Clonlyon, co. Meath    [Ireland, 1758]
  1st: John Bowes (15 Aug 1758-22 Jul 1767)

Baron Bowes of Streatlam Castle, co. Durnam, and of Lunedale, co. York    [United Kingdom, 1815]
  1st: John Bowes (18 Jul 1815-3 Jul 1820)

Baron Bowes of Streatlam Castle, co. Durnam, and of Lunedale, co. York    [United Kingdom, 1887]
  1st: Claude Bowes-Lyon (1 Jul 1887-16 Feb 1904)
  2nd: Claude George Bowes-Lyon (16 Feb 1904-7 Nov 1944)
  3rd: Patrick Bowes-Lyon (7 Nov 1944-25 May 1949)
  4th: Timothy Patrick Bowes-Lyon (25 May 1949-13 Sep 1972)
  5th: Fergus Michael Claude Bowes-Lyon (13 Sep 1972-18 Jul 1987)
  6th: Michael Fergus Bowes-Lyon (18 Jul 1987-27 Feb 2016)
  7th: Simon Patrick Bowes-Lyon (27 Feb 2016- )

Lord Boyd of Kilmarnock    [Scotland, 1454]
  1st: Robert Boyd (c 18 Jul 1454-bt 1480-1482)
  2nd: James Boyd (c 1482-1484)
  3rd: Alexander Boyd (1484-a 26 Jun 1508)
  4th: Robert Boyd (a 1508-bt 1557-1558)
  5th: Robert Boyd (c 1558-3 Jan 1590)
  6th: Thomas Boyd (3 Jan 1590-Jun 1611)
  7th: Robert Boyd (Jun 1611-28 Aug 1628)
  8th: Robert Boyd (28 Aug 1628-17 Nov 1640)
  9th: James Boyd (17 Nov 1640-c Mar 1654)
10th: William Boyd (Mar 1654-Mar 1692)
11th: William Boyd (Mar 1692-20 May 1692)
12th: William Boyd (29 May 1692-Sep 1717)
13th: William Boyd (Sep 1717-18 Aug 1746)

Baron Boyd-Orr, of Brechin Mearn, co. Angus    [United Kingdom, 1949]
  1st: John Boyd-Orr (9 Mar 1949-25 Jun 1971)

Lord Boyle, Baron of Broghill    [Ireland, 1628]
  1st: Roger Boyle (28 Feb 1628-16 Oct 1679)
  2nd: Roger Boyle (16 Oct 1679-29 Mar 1682)
  3rd: Lionel Boyle (29 Mar 1682-24 Aug 1703)
  4th: Charles Boyle (24 Aug 1703-28 Aug 1731)
  5th: John Boyle (11 Sep 1731-23 Nov 1762)
  6th: Hamilton Boyle (23 Nov 1762-17 Jan 1764)
  7th: Edmund Boyle (17 Jan 1764-6 Oct 1798)
  8th: Edmund Boyle (6 Oct 1798-29 Jun 1856)
  9th: Richard Edmund St. Lawrence Boyle (29 Jun 1856-22 Jun 1904)
10th: Charles Spencer Boyle (22 Jun 1904-25 Mar 1925)
11th: Robert John Lascelles Boyle (25 Mar 1925-13 Oct 1934)
12th: William Henry Dudley Boyle (13 Oct 1934-19 Apr 1967)
13th: Patrick Reginald Boyle (19 Apr 1967-8 Aug 1995)
14th: John William Boyle (8 Aug 1995-14 Nov 2003)
15th: John Richard Boyle (14 Nov 2003- )

Lord Boyle, Baron of Youghal, co. Cork    [Ireland, 1616]
  1st: Richard Boyle (6 May 1616-15 Sep 1643)
  2nd: Richard Boyle (15 Sep 1643-15 Jan 1698)
  3rd: Charles Boyle (13 Jan 1698-9 Feb 1704)
  4th: Richard Boyle (9 Feb 1704-3 Dec 1753)
  5th: John Boyle (3 Dec 1753-23 Nov 1762)
  6th: Hamilton Boyle (23 Nov 1762-17 Jan 1764)
  7th: Edmund Boyle (17 Jan 1764-6 Oct 1798)
  8th: Edmund Boyle (6 Oct 1798-29 Jun 1856)
  9th: Richard Edmund St. Lawrence Boyle (29 Jun 1856-22 Jun 1904)
10th: Charles Spencer Boyle (22 Jun 1904-25 Mar 1925)
11th: Robert John Lascelles Boyle (25 Mar 1925-13 Oct 1934)
12th: William Henry Dudley Boyle (13 Oct 1934-19 Apr 1967)
13th: Patrick Reginald Boyle (19 Apr 1967-8 Aug 1995)
14th: John William Boyle (8 Aug 1995-14 Nov 2003)
15th: John Richard Boyle (14 Nov 2003- )

Baron Boyle, co. Wicklow    [Ireland, 1673]
  1st: Murrough Boyle (23 Aug 1673-26 Apr 1718) with a special remainder to the male heirs of his father
  2nd: Charles Boyle (26 Apr 1718-2 Jun 1732)

Lord Boyle, of Kelburn, Stewartoun, Finnick, Largs and Dalry    [Scotland, 1699]
  1st: David Boyle (31 Jan 1699-31 Oct 1733) with a special remainder to all of his heirs male whatsoever
  2nd: John Boyle (31 Oct 1733-22 May 1740)
  3rd: John Boyle (22 May 1740-7 Mar 1775)
  4th: George Boyle (7 Mar 1775-3 Jul 1843)
  5th: James Carr-Boyle (3 Jul 1843-11 Mar 1869)
  6th: George Frederick Boyle (11 Mar 1869-23 Apr 1890)
  7th: David Boyle (23 Apr 1890-13 Dec 1915)
  8th: Patrick James Boyle (13 Dec 1915-14 Dec 1963)
  9th: David William Maurice Boyle (14 Dec 1963-8 Jun 1984)
10th: Patrick Robin Archibald Boyle (8 Jun 1984- )

Lord Boyle, of Stewartoun, Cumbraes, Fenwick, Largs and Dalry    [Scotland, 1703]
  1st: David Boyle (12 Apr 1703-31 Oct 1733) with a special remainder to all of his heirs male whatsoever
  2nd: John Boyle (31 Oct 1733-22 May 1740)
  3rd: John Boyle (22 May 1740-7 Mar 1775)
  4th: George Boyle (7 Mar 1775-3 Jul 1843)
  5th: James Carr-Boyle (3 Jul 1843-11 Mar 1869)
  6th: George Frederick Boyle (11 Mar 1869-23 Apr 1890)
  7th: David Boyle (23 Apr 1890-13 Dec 1915)
  8th: Patrick James Boyle (13 Dec 1915-14 Dec 1963)
  9th: David William Maurice Boyle (14 Dec 1963-8 Jun 1984)
10th: Patrick Robin Archibald Boyle (8 Jun 1984- )

Baron Boyle of Marston, co. Somerset    [Great Britain, 1711]
  1st: Charles Boyle (5 Sep 1711-28 Aug 1731)
  2nd: John Boyle (28 Aug 1731-23 Nov 1762)
  3rd: Hamilton Boyle (23 Nov 1762-17 Jan 1764)
  4th: Edmund Boyle (17 Jan 1764-6 Oct 1798)
  5th: Edmund Boyle (6 Oct 1798-29 Jun 1856)
  6th: Richard Edmund St. Lawrence Boyle (29 Jun 1856-22 Jun 1904)
  7th: Charles Spencer Boyle (22 Jun 1904-25 Mar 1925)
  8th: Robert John Lascelles Boyle (25 Mar 1925-13 Oct 1934)
  9th: William Henry Dudley Boyle (13 Oct 1934-19 Apr 1967)
10th: Patrick Reginald Boyle (19 Apr 1967-8 Aug 1995)
11th: John William Boyle (8 Aug 1995-14 Nov 2003)
12th: John Richard Boyle (14 Nov 2003- )

Baron Brabazon of Tara, of Sandwich, co. Kent    [United Kingdom, 1942]
  1st: John Theodore Cuthbert Moore-Brabazon (27 Apr 1942-17 May 1964)
  2nd: Derek Charles Moore-Brabazon (17 May 1964-11 Dec 1974)
  3rd: Ivor Anthony Moore-Brabazon (11 Dec 1974- )

Lord Brabazon, Baron of Ardee, co. Louth    [Ireland, 1616]
  1st: Edward Brabazon (19 Jul 1616-7 Aug 1625)
  2nd: William Brabazon (7 Aug 1625-c 16 Dec 1651)
  3rd: Edward Brabazon (c 16 Dec 1651-25 Mar 1675)
  4th: William Brabazon (30 Oct 1665-c 27 Feb 1685) in his father's lifetime
  5th: Edward Brabazon (c 28 Feb 1685-22 Feb 1708)
  6th: Chambre Brabazon (22 Feb 1707-1 Apr 1715)
  7th: Chaworth Brabazon (9 Mar 1715-14 May 1763) in his father's lifetime
  8th: Edward Brabazon (14 May 1763-24 Nov 1772)
  9th: Anthony Brabazon (24 Nov 1772-4 Jan 1790)
10th: William Brabazon (4 Jan 1790-26 May 1797)
11th: John Chambré Brabazon (26 May 1797-15 Mar 1851)
12th: William Brabazon (15 Mar 1851-26 May 1887)
13th: Reginald Brabazon (26 May 1887-11 Oct 1929)
14th: Reginald le Normand Brabazon (11 Oct 1929-10 Mar 1949)
15th: Anthony Windham Normand Brabazon (10 Mar 1949-19 Dec 1998)
16th: John Anthony Brabazon (19 Dec 1998- )

Baron Brabourne of Brabourne, Kent    [United Kingdom, 1880]
  1st: Edward Hugessen Knatchbull-Hugessen (26 May 1880-6 Feb 1893)
  2nd: Edward Knatchbull-Hugessen (6 Feb 1893-29 Dec 1909)
  3rd: Wyndham Wentworth Knatchbull-Hugessen (29 Dec 1909-11 Mar 1915)
  4th: Cecil Marcus Knatchbull-Hugessen (11 Mar 1915-15 Feb 1933)
  5th: Michael Herbert Rudolf Knatchbull (15 Sep 1933-23 Feb 1939)
  6th: Norton Cecil Michael Knatchbull (23 Feb 1939-15 Sep 1943)
  7th: John Ulick Knatchbull (15 Sep 1943-22 Sep 2005)
  8th: Norton Louis Philip Knatchbull (23 Sep 2005- )

Baron Braco of Kilbryde, co. Cavan    [Ireland, 1735]
  1st: William Duff (28 Jul 1735-30 Sep 1763)
  2nd: James Duff (30 Sep 1763-24 Jan 1809)
  3rd: James Duff (17 Apr 1811-9 Mar 1857)
  3rd: Alexander Duff (24 Jan 1809-17 Apr 1811)
  5th: James Duff (9 Mar 1857-7 Aug 1879)
  6th: Alexander William George Duff (7 Aug 1879-29 Jan 1912)

Baron Bradbury, of Winsford, co. Chester    [United Kingdom, 1925]
  1st: John Swanwick Bradbury (28 Jan 1925-3 May 1950)
  2nd: John Bradbury (3 May 1950-31 Mar 1994)
  3rd: John Bradbury (31 Mar 1994-8 Aug 2023)
  4th: John Timothy Bradbury (8 Aug 2023- )

Baron Bradford of Bradford, co. Shropshire    [Great Britain, 1794]
  1st: Henry Bridgeman (13 Aug 1794-5 Jun 1800)
  2nd: Orlando Bridgeman (5 Jun 1800-7 Sep 1825)
  3rd: George Augustus Frederick Henry Bridgeman (7 Sep 1825-22 Mar 1865)
  4th: Orlando George Charles Bridgeman (22 Mar 1865-9 Mar 1898)
  5th: George Cecil Orlando Bridgeman (9 Mar 1898-2 Jan 1915)
  6th: Orlando Bridgeman (2 Jan 1915-21 Mar 1957)
  7th: Gerald Michael Orlando Bridgeman (21 Mar 1959-30 Aug 1981)
  8th: Richard Thomas Orlando Bridgeman (30 Aug 1981- )

Baron Brain, of Eynsham, co. Oxford    [United Kingdom, 1962]
  1st: Walter Russell Brain (26 Jan 1962-29 Dec 1966)
  2nd: Christopher Langdon Brain (29 Dec 1966-15 Aug 2014)
  3rd: Michael Cottrell Brain (15 Aug 2014- )

Baron Braintree, of Braintree, co. Essex    [United Kingdom, 1948]
  1st: Valentine George Crittall (9 Feb 1948-21 May 1961)

Baron Brampton of Brampton, co. Huntingdon    [United Kingdom, 1899]
  1st: Henry Hawkins (27 Jan 1899-6 Oct 1907)

Baron Bramwell of Hever, Kent    [United Kingdom, 1882]
  1st: George William Wilshire Bramwell (3 Feb 1882-9 May 1892)

Baron Brancepeth, co. Durham    [England, 1613]
  1st: Robert Carr (3 Nov 1613-c Jul 1645)

Baron Brancepeth, of Brancepeth, co. Durham    [United Kingdom, 1866]
  1st: Gustavus Frederick John James Hamilton-Russell (31 Aug 1866-27 Oct 1872)
  2nd: Gustavus Russell Hamilton-Russell (27 Oct 1872-30 Dec 1907)
  3rd: Gustavus William Hamilton-Russell (30 Dec 1907-18 Jan 1942)
  4th: Gustavus Michael George Hamilton-Russell (18 Jan 1942-14 Dec 1995)
  5th: Gustavus Michael Stucley Hamilton-Russell (14 Dec 1995- )

Baron Brand, of Eydon, co. Northampton    [United Kingdom, 1946]
  1st: Robert Henry Brand (17 Jul 1946-23 Aug 1963)

Baron Branden, of Brandon, co. Kerry    [Ireland, 1758]
  1st: Maurice Crosbie (16 Sep 1758-13 Jan 1762)
  2nd: William Crosbie (13 Jan 1762-11 Apr 1781)
  3rd: John Crosbie (11 Apr 1781-23 Oct 1815)
  4th: William Crosbie (23 Oct 1815-3 May 1832)

Baron Brassey of Apethorpe, of Apethorpe, co. Northampton    [United Kingdom, 1938]
  1st: Henry Leonard Campbell Brassey (26 Jan 1938-22 Oct 1958)
  2nd: Bernard Thomas Brassey (22 Oct 1958-28 Jun 1967)
  3rd: David Henry Brassey (28 Jun 1967-7 May 2015)
  4th: Edward Brassey (7 May 2015- )

Baron Brassey of Bulkeley, co. Chester    [United Kingdom, 1886]
  1st: Thomas Brassey (16 Aug 1886-23 Feb 1918)
  2nd: Thomas Allnutt Brassey (23 Feb 1918-12 Nov 1919)

Lord Braybrooke, Baron of Braybrooke, co. Northampton    [Great Britain, 1788]
  1st: John Griffin Griffin (5 Sep 1788-25 May 1797) with a special remainder to his third cousin, Richard Aldworth Neville
  2nd: Richard Griffin (25 May 1797-28 Feb 1825)
  3rd: Richard Griffin (28 Feb 1825-13 Mar 1858)
  4th: Richard Cornwallis Neville (13 Mar 1858-21 Feb 1861)
  5th: Charles Cornwallis Neville (21 Feb 1861-7 Jun 1902)
  6th: Latimer Neville (7 Jun 1902-12 Jan 1904)
  7th: Henry Neville (12 Jan 1904-9 Mar 1941)
  8th: Richard Henry Cornwallis Neville (9 Mar 1941-23 Jan 1943)
  9th: Henry Seymour Neville (23 Jan 1943-12 Feb 1990)
10th: Robin Henry Charles Neville (12 Feb 1990-5 Jun 2017)
11th: Richard Ralph Neville (5 Jun 2017- )

Baron Breadalbane of Kenmore, co. Perth    [United Kingdom, 1873]
  1st: Gavin Campbell (25 Mar 1873-19 Oct 1922)

Baron Breadalbane of Taymouth Castle, co. Perth    [United Kingdom, 1806]
  1st: John Campbell (13 Nov 1806-29 Mar 1834)
  2nd: John Campbell (29 Mar 1834-8 Nov 1862)

Baron Brecon, of Llanfeigan, co. Brecknock    [United Kingdom, 1958]
  1st: David Vivian Penrose Lewis (30 Jan 1958-10 Oct 1976)

Baron Brereton of Leighlin, co. Carlow    [Ireland, 1624]
  1st: William Brereton (11 May 1624-1 Oct 1631)
  2nd: William Brereton (1 Oct 1631-c Apr 1664)
  3rd: William Brereton (c Apr 1664-17 Mar 1680)
  4th: John Brereton (17 Mar 1680-1718)
  5th: Francis Brereton (1718-c Apr 1722)

Baron Bridges, of Headley, co. Surrey and of St. Nicholas at Wade, co. Kent    [United Kingdom, 1957]
  1st: Edward Ettingdean Bridges (4 Feb 1957-27 Aug 1969)
  2nd: Thomas Edward Bridges (27 Aug 1969-27 May 2017)
  3rd: Mark Thomas Bridges (27 May 2017- )

Baron Bridport    [Ireland, 1794]
  1st: Alexander Hood (14 Nov 1794-3 May 1814) with a special remainder to heirs of Samuel Hood, his great-nephew
  2nd: Samuel Hood (3 May 1814-6 Jan 1868)
  3rd: Alexander Hood (6 Jan 1868-4 Jun 1904)
  4th: Arthur Wellington Alexander Nelson Hood (4 Jun 1904-28 Mar 1924)
  5th: Rowland Arthur Herbert Nelson Hood (28 Mar 1924-25 Jul 1969)
  6th: Alexander Nelson Hood (25 Jul 1969- )

Baron Bridport of Cricket St. Thomas, co. Somerset    [Great Britain, 1796]
  1st: Alexander Hood (13 Jun 1796-3 May 1814)

Baron Broadbridge, of Brighton, co. Sussex    [United Kingdom, 1945]
  1st: George Thomas Broadbridge (14 Sep 1945-17 Apr 1952)
  2nd: Eric Wilberforce Broadbridge (17 Apr 1952-18 Nov 1972)
  3rd: Peter Hewett Broadbridge (18 Nov 1972-6 Feb 2000)
  4th: Martin Hugh Broadbridge (6 Feb 2000-19 Apr 2020)
  5th: Richard John Martin Broadbridge (19 Apr 2020- )

Baron Brocket, of Brocket Hall, co. Hertford    [United Kingdom, 1933]
  1st: Charles Alexander Nall-Cain (19 Jan 1933-21 Nov 1934)
  2nd: Arthur Ronald Nall Nall-Cain (21 Nov 1934-1967)
  3rd: Charles Ronald George Nall-Cain (24 Mar 1967- )

Baron Brodrick of Midleton, co. Cork    [Ireland, 1715]
  1st: Alan Brodrick (13 Apr 1715-c 26 Aug 1728)
  2nd: Alan Brodrick (Aug 1728-8 Jun 1747)
  3rd: George Brodrick (8 Jun 1747-22 Aug 1765)
  4th: George Brodrick (22 Aug 1765-12 Aug 1836)
  5th: George Alan Brodrick (12 Aug 1836-1 Nov 1848)
  6th: Charles Brodrick (1 Nov 1848-2 Dec 1863)
  7th: William John Brodrick (2 Dec 1863-29 Aug 1870)
  8th: William Brodrick (29 Aug 1870-18 Apr 1907)
  9th: William St. John Freemantle Brodrick (18 Apr 1907-13 Feb 1942)
10th: George St. John Brodrick (13 Feb 1942-2 Nov 1979)
11th: Trevor Lowther Brodrick (7 Sep 1966-1988)
12th: Alan Henry Brodrick (1988- )

Baron Brodrick of Peper Harow, co. Surrey    [Great Britain, 1796]
  1st: George Brodrick (11 Jun 1796-12 Aug 1836) with special remainder to heirs male of his father
  2nd: George Alan Brodrick (12 Aug 1836-1 Nov 1848)
  3rd: Charles Brodrick (1 Nov 1848-2 Dec 1863)
  4th: William John Brodrick (2 Dec 1863-29 Aug 1870)
  5th: William Brodrick (29 Aug 1870-18 Apr 1907)
  6th: William St. John Freemantle Brodrick (18 Apr 1907-13 Feb 1942)
  7th: George St. John Brodrick (13 Feb 1942-2 Nov 1979)
  8th: Trevor Lowther Brodrick (7 Sep 1966-1988)
  9th: Alan Henry Brodrick (1988- )

Baron Brooke of Beauchamps Court, co. Warwick    [England, 1621]
  1st: Fulke Greville (29 Jan 1621-30 Sep 1628) with a special remainder to Robert and William Greville
  2nd: Robert Greville (30 Sep 1628-2 Mar 1643)
  3rd: Francis Greville (2 Mar 1643-19 Nov 1658)
  4th: Robert Greville (Nov 1658-17 Feb 1677)
  5th: Fulke Greville (17 Feb 1677-22 Oct 1710)
  6th: Fulke Greville (22 Oct 1710-24 Feb 1711)
  7th: William Greville (3 Mar 1711-28 Jul 1727)
  8th: Francis Greville (28 Jul 1727-6 Jul 1773)
  9th: George Greville (6 Jul 1773-2 May 1816)
10th: Henry Richard Greville (2 May 1816-10 Aug 1853)
11th: George Guy Greville (10 Aug 1853-2 Dec 1893)
12th: Francis Richard Charles Guy Greville (2 Dec 1893-15 Jan 1924)
13th: Leopold Guy Francis Maynard Greville (15 Jan 1924-31 Jan 1928)
14th: Charles Guy Fulke Greville (31 Jan 1928-20 Jan 1984)
15th: David Robin Francis Guy Greville (20 Jan 1984-20 Jan 1996)
16th: Guy David Greville (20 Jan 1996- )

Baron Brooke of Oakley, of Oakley, co. Northumpton    [United Kingdom, 1939]
  1st: Arthur Richard Capell Brooke (4 Jul 1939-17 Nov 1944)

Baron Brotherton, of Wakefield, co. York    [United Kingdom, 1929]
  1st: Edward Allen Brotherton (17 Jun 1929-21 Oct 1930)

Baron Brougham and Vaux, of Brougham, Westmorland    [United Kingdom, 1830]
  1st: Henry Brougham (22 Nov 1830-7 May 1868)

Baron Brougham and Vaux, of Brougham, Westmorland and of Highhead Castle, Cumberland    [United Kingdom, 1860]
  1st: Henry Brougham (22 Mar 1860-7 May 1868) with a special remainder to his brother, William Brougham
  2nd: William Brougham (7 May 1868-3 Jan 1886)
  3rd: Henry Charles Brougham (3 Jan 1886-24 May 1927)
  4th: Victor Henry Peter Brougham (24 May 1927-20 Jun 1967)
  5th: Michael John Brougham (20 Jun 1967-27 Aug 2023)
  6th: Charles William Brougham (27 Aug 2023- )

Baron Broughshane, of Kensington, co. London    [United Kingdom, 1945]
  1st: William Henry Davison (19 Sep 1945-19 Jan 1954)
  2nd: Patrick Owen Alexander Davison (19 Jan 1954-22 Sep 1995)
  3rd: William Kensington Davison (22 Sep 1995-24 Mar 2006)

Baron Broughton of Broughton-de-Gyfford, Wiltshire    [United Kingdom, 1851]
  1st: John Cam Hobhouse (26 Feb 1851-3 Jun 1869)

Baron Brouncker of Newcastle, in the Province of Munster    [Ireland, 1645]
  1st: William Brouncker (12 Sep 1645-c Nov 1645)
  2nd: William Brouncker (Nov 1645-5 Apr 1684)
  3rd: Henry Brouncker (5 Apr 1684-4 Jan 1688)

Baron Brownlow of Belton, co. Lincoln    [Great Britain, 1776]
  1st: Brownlow Cust (20 May 1776-25 Dec 1807) for his late father's services
  2nd: John Cust (25 Dec 1807-15 Sep 1853)
  3rd: John William Spencer Brownlow Egerton-Cust (3 Jan 1851-20 Feb 1867)
  4th: Adelbert Wellington Brownlow Cust (20 Feb 1867-17 Mar 1921)
  5th: Adelbert Salusbury Cockayne Cust (17 Mar 1921-19 Apr 1927)
  6th: Peregrine Francis Adelbert Cust (19 Apr 1927-28 Jul 1978)
  7th: Edward John Peregrine Cust (28 Jul 1978-15 May 2021)
  8th: Peregrine Edward Quintin Cust (15 May 2021- )

Lord Bruce of Kinloss    [Scotland, 1608]
  1st: Edward Bruce (3 May 1608-14 Jan 1611) with remainder to any of his heirs
  2nd: Edward Bruce (14 Jan 1611-Aug 1613)
  3rd: Thomas Bruce (Aug 1613-21 Dec 1663)
  4th: Robert Bruce (21 Dec 1663-20 Oct 1685)
  5th: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  6th: Charles Bruce (16 Dec 1741-10 Feb 1747)

Lord Bruce of Kinloss    [Scotland, 1633]
  1st: Thomas Bruce (21 Jun 1633-21 Dec 1663)
  2nd: Robert Bruce (21 Dec 1663-20 Oct 1685)
  3rd: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  4th: Charles Bruce (16 Dec 1741-10 Feb 1747)
  5th: Charles Bruce (10 Feb 1747-14 May 1771)
  6th: William Robert Bruce (14 May 1771-15 Jul 1771)
  7th: Thomas Bruce (15 Jul 1771-14 Nov 1841)
  8th: James Bruce (14 Nov 1841-20 Nov 1863)
  9th: Victor Alexander Bruce (20 Nov 1863-18 Jan 1917)
10th: Edward James Bruce (18 Jan 1917-27 Nov 1968)
11th: Andrew Douglas Alexander Thomas Bruce (27 Nov 1968- )

Baron Bruce of Kinlosse    [Scotland, 1604]
  1st: Edward Bruce (8 Jul 1604-14 Jan 1611) with remainder to his male heirs
  2nd: Edward Bruce (14 Jan 1611-Aug 1613)
  3rd: Thomas Bruce (Aug 1613-21 Dec 1663)
  4th: Robert Bruce (21 Dec 1663-20 Oct 1685)
  5th: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  6th: Charles Bruce (16 Dec 1741-10 Feb 1747)

Baron Bruce of Skelton, co. York    [England, 1665]
  1st: Robert Bruce (18 Mar 1665-20 Oct 1685)
  2nd: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  3rd: Charles Bruce (16 Dec 1741-10 Feb 1747)

Lord Bruce of Torry    [Scotland, 1647]
  1st: Edward Bruce (26 Dec 1647-1662)
  2nd: Alexander Bruce (1662-9 Jul 1680)
  3rd: Alexander Bruce (9 Jul 1680-10 Nov 1705)
  4th: Alexander Bruce (10 Nov 1705-10 Oct 1706)
  5th: Robert Bruce (10 Oct 1706-1718)
  6th: Alexander Bruce (1718-1721)
  7th: Thomas Bruce (1721-23 Mar 1740)
  8th: William Bruce (23 Mar 1740-8 Sep 1740)
  9th: Charles Bruce (8 Sep 1740-14 May 1771)
10th: William Robert Bruce (14 May 1771-15 Jul 1771)
11th: Thomas Bruce (15 Jul 1771-14 Nov 1841)
12th: James Bruce (14 Nov 1841-20 Nov 1863)
13th: Victor Alexander Bruce (20 Nov 1863-18 Jan 1917)
14th: Edward James Bruce (18 Jan 1917-27 Nov 1968)
15th: Andrew Douglas Alexander Thomas Bruce (27 Nov 1968- )

Baron Bruce of Tottenham, Wiltshire    [Great Britain, 1746]
  1st: Charles Bruce (17 Apr 1746-10 Feb 1747) with the unusual special remainder to his nephew, Thomas Bruce-Brudenell
  2nd: Thomas Brudenell-Bruce (10 Feb 1747-19 Apr 1814)
  3rd: Charles Brudenell-Bruce (19 Apr 1814-4 Jan 1856)
  4th: George William Frederick Brudenell-Bruce (10 Jul 1838-6 Jan 1878)
  5th: Ernest Augustus Charles Brudenell-Bruce (6 Jan 1878-18 Oct 1886)
  6th: George William Thomas Brudenell-Bruce (18 Oct 1886-10 Apr 1894)
  7th: Henry Augustus Brudenell-Bruce (10 Apr 1894-10 Mar 1911)
  8th: George William James Chandos Brudenell-Bruce (10 Mar 1911-4 Aug 1961)
  9th: Chandos Sydney Cedric Brudenell-Bruce (4 Aug 1961-15 Jul 1974)
10th: Michael Sydney Cedric Brudenell-Bruce (15 Jul 1974-12 May 2024)
11th: David Michael James Brudenell-Bruce (12 May 2024- )

Baron Bruce of Whorlton, co. York    [England, 1641]
  1st: Thomas Bruce (29 Jul 1641-21 Dec 1663)
  2nd: Robert Bruce (21 Dec 1663-20 Oct 1685)
  3rd: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  4th: Charles Bruce (29 Dec 1711-10 Feb 1747) in his father's name

Baron Brudenell of Deene, co. Northampton    [Great Britain, 1780]
  1st: James Brudenell (17 Oct 1780-24 Feb 1811)

Baron Brudenell of Stonton, co. Leicester    [England, 1628]
  1st: Thomas Brudenell (26 Feb 1628-16 Sep 1663) For this creation, he paid £5,000 to the Duke of Buckingham, and agreed to pay a further £1,000
  2nd: Robert Brudenell (16 Sep 1663-16 Jul 1703)
  3rd: George Brudenell (16 Jul 1703-5 Jul 1732)
  4th: George Montagu (5 Jul 1732-23 May 1790)
  5th: James Brudenell (23 May 1790-24 Feb 1811)
  6th: Robert Brudenell (24 Feb 1811-14 Aug 1837)
  7th: James Thomas Brudenell (14 Aug 1837-28 Mar 1868)
  8th: George William Frederick Brudenell-Bruce (28 Mar 1868-6 Jan 1878)
  9th: Ernest Augustus Charles Brudenell-Bruce (6 Jan 1878-18 Oct 1886)
10th: George William Thomas Brudenell-Bruce (18 Oct 1886-10 Apr 1894)
11th: Henry Augustus Brudenell-Bruce (10 Apr 1894-10 Mar 1911)
12th: George William James Chandos Brudenell-Bruce (10 Mar 1911-4 Aug 1961)
13th: Chandos Sydney Cedric Brudenell-Bruce (4 Aug 1961-15 Jul 1974)
14th: Michael Sydney Cedric Brudenell-Bruce (15 Jul 1974-12 May 2024)
15th: David Michael James Brudenell-Bruce (12 May 2024- )

Baron Bruntisfield, of Boroughmuir, in the City of Edinburgh    [United Kingdom, 1942]
  1st: Victor Alexander George Anthony Warrender (9 Mar 1942-14 Jan 1993)
  2nd: John Robert Warrender (14 Jan 1993-14 Jul 2007)
  3rd: Michael John George Warrender (14 Jul 2007- )

Baron of Buckhurst, co. Sussex    [England, 1567]
  1st: Thomas Sackville (8 Jun 1567-19 Apr 1608)
  2nd: Robert Sackville (19 Apr 1608-27 Feb 1609)
  3rd: Richard Sackville (27 Feb 1609-28 Mar 1624)
  4th: Edward Sackville (28 Mar 1624-18 Jul 1652)
  6th: Charles Sackville (27 Aug 1677-29 Jan 1706)
  7th: Lionel Cranfield Sackville (29 Jan 1706-10 Oct 1765)
  8th: Charles Sackville (10 Oct 1765-6 Jan 1769)
  9th: John Frederick Sackville (6 Jan 1769-19 Jul 1799)
10th: George John Frederick Sackville (19 Jul 1799-14 Feb 1815)
11th: Charles Sackville (14 Feb 1815-29 Jul 1843)

Baroness Buckhurst of Buckhurst, co. Sussex    [United Kingdom, 1864]
  1st: Elizabeth Sackville-West (27 Apr 1864-9 Jan 1870) suo jure, with specal remainder to her second surviving son, Reginald William Sackville-West and is male heirs, then to her third and fourth sons, but with the spcial proviso that if any of th
  2nd: Reginald Windsor Sackville (9 Jan 1870-5 Jan 1896)
  3rd: Gilbert George Reginald Sackville (5 Jan 1896-16 Dec 1915)
  4th: Herbrand Edward Dundonald Brassey Sackville (16 Dec 1915-28 Jan 1976)
  5th: William Herbrand Sackville (28 Jan 1976-9 Feb 1988)
  6th: William Herbrand Sackville (9 Feb 1988- )

Baron Buckland, of Bwlch, co. Brecknock    [United Kingdom, 1926]
  1st: Henry Seymour Berry (16 Jul 1926-23 May 1928)

Baron Buckmaster, of Cheddington, co. Buckingham    [United Kingdom, 1915]
  1st: Stanley Owen Buckmaster (14 Jun 1915-5 Dec 1934)
  2nd: Owen Stanley Buckmaster (5 Dec 1934-25 Sep 1974)
  3rd: Martin Stanley Buckmaster (25 Sep 1974-8 Jun 2007)
  4th: Adrian Charles Buckmaster (8 Jun 2007- )

Lord Bulkeley, Baron of Beaumaris, co. Anglesey    [Great Britain, 1784]
  1st: Thomas James Warren-Bulkeley (14 May 1784-3 Jun 1822)

Baron Burden, of Hazelbarrow, co. Derby    [United Kingdom, 1950]
  1st: Thomas William Burden (1 Feb 1950-27 May 1970)
  2nd: Philip William Burden (27 May 1970-1995)
  3rd: Andrew Philip Burden (1995-2000)
  4th: Fraser William Elsworth Burden (2000- )

Baroness Burdett-Coutts, of Highgate and Brookfield, co. Middlesex    [United Kingdom, 1871]
  1st: Angela Georgina Burdett-Coutts (9 Jun 1871-30 Dec 1906)

Baron Burghclere of Walden, Essex    [United Kingdom, 1895]
  1st: Herbert Colstoun Gardner (3 Aug 1895-6 May 1921)

Baron Burghersh, co. Sussex    [England, 1624]
  1st: Francis Fane (29 Dec 1624-23 Mar 1628)
  2nd: Mildmay Fane (23 Mar 1628-12 Feb 1666)
  3rd: Charles Fane (12 Feb 1666-18 Sep 1691)
  4th: Vere Fane (22 Sep 1691-29 Dec 1693)
  5th: Vere Fane (29 Sep 1693-19 May 1698)
  6th: Thomas Fane (19 May 1698-4 Jun 1736)
  7th: John Fane (4 Jun 1736-26 Aug 1762)
  8th: Thomas Fane (26 Aug 1762-12 Nov 1771)
  9th: John Fane (12 Nov 1771-25 Apr 1774)
10th: John Fane (25 Apr 1774-15 Dec 1841)
11th: John Fane (15 Dec 1841-16 Oct 1859)
12th: Francis William Henry Fane (16 Oct 1859-3 Aug 1891)
13th: Anthony Mildmay Julian Fane (3 Aug 1891-9 Jun 1922)
14th: Vere Anthony Francis St. Clair Fane (9 Jun 1922-12 May 1948)
15th: David Anthony Thomas Fane (12 May 1948-8 Sep 1993)
16th: Anthony David Francis Henry Fane (8 Sep 1993- )

Baron of Burghley, co. Northampton    [England, 1571]
  1st: William Cecil (25 Feb 1571-4 Aug 1598)
  2nd: Thomas Cecil (4 Aug 1598-8 Feb 1623)
  3rd: William Cecil (8 Feb 1623-6 Jul 1640)
  4th: David Cecil (6 Jul 1640-18 Apr 1643)
  5th: John Cecil (18 Apr 1643-18 Mar 1678)
  6th: John Cecil (18 Mar 1678-29 Aug 1700)
  7th: John Cecil (29 Aug 1700-24 Dec 1721)
  8th: John Cecil (24 Dec 1721-9 Apr 1722)
  9th: Brownlow Cecil (9 Apr 1722-3 Nov 1754)
10th: Brownlow Cecil (3 Nov 1754-26 Dec 1793)
11th: Henry Cecil (26 Dec 1793-1 May 1804)
12th: Brownlow Cecil (1 May 1804-16 Jan 1867)
13th: William Alleyne Cecil (16 Jan 1867-14 Jul 1895)
14th: Brownlow Henry George Cecil (14 Jul 1895-9 Apr 1918)
15th: William Thomas Brownlow Cecil (9 Apr 1918-6 Aug 1956)
16th: David George Brownlow Cecil (6 Aug 1956-21 Oct 1981)
17th: William Martin Alleyne Cecil (21 Oct 1981-1988)
18th: William Michael Anthony Cecil (1988- )

Baron Burnell of East Wittenham, Berks    [England, 1658]
  1st: Edmund Dunch (26 Apr 1658-c Jul 1678) by the Protector
  2nd: Hungerford Dunch (c Jul 1678-9 Nov 1680) de jure
  3rd: Edmund Dunch (9 Nov 1680-31 May 1719) de jure

Baron Burnham, of Hall Barn, Beaconsfield, co. Bucks    [United Kingdom, 1903]
  1st: Edward Levy-Lawson (31 Jul 1903-9 Jan 1916)
  2nd: Harry Lawson Webster Levy-Lawson (9 Jan 1916-20 Jul 1933)
  3rd: William Arnold Webster Levy-Lawson (20 Jul 1933-14 Jun 1943)
  4th: Edward Frederick Lawson (14 Jun 1943-4 Jul 1963)
  5th: William Edward Harry Lawson (4 Jul 1963-18 Jun 1993)
  6th: Hugh John Frederick Lawson (18 Jun 1993-1 Jan 2005)
  7th: Harry Frederick Alan Lawson (1 Jan 2005- )

Baron Burton, of Burton, co. Stafford    [Great Britain, 1712]
  1st: Henry Paget (1 Jan 1712-30 Aug 1743)
  2nd: Henry Paget (30 Aug 1743-16 Nov 1769)

Baron Burton of Burton-on-Trent and of Rangemore, co. Stafford    [United Kingdom, 1897]
  1st: Michael Arthur Bass (29 Nov 1897-1 Feb 1909) with special remainder to his daughter
  2nd: Nellie Lisa Bass (1 Feb 1909-28 May 1962) suo jure
  3rd: Michael Evan Victor Baillie (28 May 1962-30 May 2013)
  4th: Evan Michael Ronald Baillie (30 May 2013- )

Baron Burton of Rangemore and of Burton-on-Trent, co. Stafford    [United Kingdom, 1886]
  1st: Michael Arthur Bass (13 Aug 1886-1 Feb 1909)

Baron Butler, of Mount Juliet, co. Kilkenny    [United Kingdom, 1912]
  1st: Charles Ernest Alfred French Somerset Butler (8 Jul 1912-2 Nov 1931)
  2nd: Theobald Walter Somerset Henry Butler (2 Nov 1931-31 Jul 1957)
  3rd: Brian Stuart Theobald Somerset Caher Butler (31 Jul 1957-c 8 Oct 1992)
  4th: David James Theobald Somerset Butler (1992-8 Jan 2008)
  5th: Arion Thomas Piers Hamilton Butler (8 Jan 2008- )

Baron Butler of Cloughgrenan    [Ireland, 1662]
  1st: Richard Butler (13 May 1662-25 Jan 1686)

Baron Butler of Cloughgrenan    [Ireland, 1693]
  1st: Charles Butler (8 Mar 1693-17 Dec 1758)

Baron Butler of Lanthony, co. Monmouth    [United Kingdom, 1801]
  1st: Walter Butler (20 Jan 1801-10 Aug 1820)

Baron Butler of Llanthony, co. Monmouth    [England, 1660]
  1st: James Butler (20 Jul 1660-21 Jul 1688)
  2nd: James Butler (21 Jul 1688-16 Nov 1745)

Baron Butler of Llanthony, co. Monmouth    [United Kingdom, 1821]
  1st: James Wandesford Butler (17 Jul 1821-18 May 1838)
  2nd: John Butler (18 May 1838-25 Sep 1854)
  3rd: James Edward William Theobald Butler (25 Sep 1854-26 Oct 1919)
  4th: James Arthur Wellington Foley Butler (26 Oct 1919-4 Jul 1943)
  5th: James George Anson Butler (4 Jul 1943-21 Jun 1949)
  6th: James Arthur Norman Butler (21 Jun 1949-17 Apr 1971)
  7th: James Hubert Theobald Charles Butler (17 Apr 1971-25 Oct 1997)

Baron Butler of Weston, co. Huntingdon    [England, 1673]
  1st: Richard Butler (27 Aug 1673-25 Jan 1686)

Baron Butler of Weston, co. Huntingdon    [England, 1694]
  1st: Charles Butler (23 Jan 1694-17 Dec 1758)

Baron Byng of Southill, co. Bedford    [Great Britain, 1721]
  1st: George Byng (21 Sep 1721-17 Jan 1733)
  2nd: Pattee Byng (17 Jan 1733-23 Jan 1747)
  3rd: George Byng (23 Jan 1747-7 Apr 1750)
  4th: George Byng (7 Apr 1750-14 Dec 1812)
  5th: John Byng (14 Dec 1812-8 Jan 1813)
  6th: George Byng (8 Jan 1813-18 Jun 1831)
  7th: George Byng (18 Jun 1831-27 Apr 1884)
  8th: George Stanley Byng (27 Apr 1884-20 Oct 1889)
  9th: George Byng (20 Oct 1889-24 Apr 1944)
10th: Arthur Stanley Byng (24 Apr 1944-28 Nov 1961)
11th: Timothy Howard St. George Byng (28 Nov 1961- )

Baron Byng of Vimy, of Thorpe-le-Soken, co. Essex    [United Kingdom, 1919]
  1st: Julian Hedworth George Byng (7 Oct 1919-6 Jun 1935)

Lord Byres and Binning    [Scotland, 1619]
  1st: Thomas Hamilton (20 Mar 1619-29 May 1637)

Lord Byres and Binning    [Scotland, 1627]
  2nd: Thomas Hamilton (29 May 1637-30 Aug 1640)
  3rd: Thomas Hamilton (30 Aug 1640-8 Feb 1645)
  4th: John Hamilton (8 Feb 1645-31 Aug 1669)
  5th: Charles Hamilton (31 Aug 1669-May 1685)
  6th: Thomas Hamilton (May 1685-28 Nov 1735)
  7th: Thomas Hamilton (28 Nov 1735-19 May 1794)
  8th: Charles Hamilton (19 May 1794-17 Mar 1828)
  9th: Thomas Hamilton (17 Mar 1858-1 Dec 1858)
10th: George Baillie-Hamilton (1 Dec 1858-25 Jun 1870)
11th: George Baillie-Hamilton (25 Jun 1870-11 Jun 1917)
12th: George Baillie-Hamilton (11 Jun 1917-17 Apr 1986)
13th: John George Baillie-Hamilton (17 Apr 1986-5 Jul 2016)
14th: George Edmund Baldred Baillie-Hamilton (5 Jul 2016- )

Baron Byron of Rochdale, co. Lancaster    [England, 1643]
  1st: John Byron (24 Oct 1643-Aug 1652) with a special remainder to each of his brothers
  2nd: Richard Byron (Aug 1652-4 Oct 1679)
  3rd: William Byron (4 Oct 1679-13 Nov 1695)
  4th: William Byron (13 Nov 1695-8 Aug 1736)
  5th: William Byron (8 Aug 1736-19 May 1798)
  6th: George Gordon Noel (19 May 1798-19 Apr 1824)
  7th: George Anson Byron (19 Apr 1824-3 Mar 1868)
  8th: George Anson Byron (1 Mar 1868-28 Nov 1870)
  9th: George Frederick William Byron (28 Nov 1870-30 Mar 1917)
10th: Frederick Ernest Charles Byron (30 Mar 1917-6 Jun 1949)
11th: Rupert Frederick George Byron (6 Jun 1949-1 Nov 1983)
12th: Richard Geoffrey Gordon Byron (1 Nov 1983-15 Jun 1989)
13th: Robert James Byron (15 Jun 1989- )

Baron Cable, of Ideford, co. Devon    [United Kingdom, 1921]
  1st: Ernest Cable (17 Jan 1921-28 Mar 1927)

Baron Cadman, of Silverdale, co. Stafford    [United Kingdom, 1937]
  1st: John Cadman (7 Jun 1937-31 May 1941)
  2nd: John Basil Cope Cadman (31 May 1941-5 Apr 1966)
  3rd: John Anthony Cadman (5 Apr 1966- )

Baron Cadogan of Oakley, co. Buckingham    [Great Britain, 1718]
  1st: William Cadogan (8 May 1718-17 Jul 1726) with special remainder to his brother, Charles
  2nd: Charles Cadogan (17 Jul 1726-24 Sep 1776)
  3rd: Charles Sloane Cadogan (24 Sep 1776-3 Apr 1807)
  4th: Charles Henry Sloane Cadogan (3 Apr 1807-23 Dec 1832)
  5th: George Cadogan (23 Dec 1832-15 Sep 1864)
  6th: Henry Charles Cadogan (15 Sep 1864-8 Jun 1873)
  7th: George Henry Cadogan (8 Jun 1873-6 Mar 1915)
  8th: Gerald Oakley Cadogan (6 Mar 1915-4 Oct 1933)
  9th: William Gerald Charles Cadogan (4 Oct 1933-4 Jul 1997)
10th: Charles Gerald John Cadogan (4 Jul 1997-11 Jun 2023)
11th: Edward Charles Cadogan (11 Jun 2023- )

Baron Cadogan of Reading, co. Berks    [Great Britain, 1716]
  1st: William Cadogan (21 Jun 1716-17 Jul 1726)

Baron Caher    [Ireland, 1583]
  1st: Theobald Butler (6 May 1583-28 Apr 1596)
  2nd: Thomas Butler (28 Apr 1596-31 Jan 1627)
  3rd: Thomas Butler (31 Jan 1627-b 1648)
  4th: Piers Butler (b 1648-30 Jan 1677)
  5th: Theobald Butler (30 Jan 1677-27 Sep 1700)
  6th: Thomas Butler (27 Sep 1700-29 May 1744)
  7th: James Butler (29 May 1744-6 Jun 1786)
  8th: Piers Butler (6 Jun 1786-10 Jun 1788)
  9th: James Butler (10 Jun 1788-Jul 1788)
10th: Richard Butler (Jul 1788-30 Jan 1819)
11th: Richard Butler (30 Jan 1819-22 Jun 1858)

Baron Caher, co. Tipperary    [Ireland, 1543]
  1st: Thomas Butler (10 Nov 1543-1558) with a special remainder to heirs of his body
  2nd: Edmund Butler (1558-1560)

Baron Cairns of Garmoyle, co. Antrim    [United Kingdom, 1867]
  1st: Hugh MacCalmont Cairns (27 Feb 1867-2 Apr 1885)
  2nd: Arthur William Cairns (2 Apr 1885-14 Jan 1890)
  3rd: Herbert John Cairns (14 Jan 1890-14 Jan 1905)
  4th: Wilfred Dallas Cairns (14 Jan 1905-23 Oct 1946)
  5th: David Charles Cairns (23 Oct 1946-21 Mar 1989)
  6th: Simon Dallas Cairns (21 Mar 1989- )

Baron Caledon, of Caledon, co. Tyrone    [Ireland, 1790]
  1st: James Alexander (6 Jun 1790-22 Mar 1802)
  2nd: Du Pre Alexander (22 Mar 1802-8 Apr 1839)
  3rd: James Du Pre Alexander (8 Apr 1839-30 Jun 1855)
  4th: James Alexander (30 Jun 1855-27 Apr 1898)
  5th: Eric James Desmond Alexander Alexander (27 Apr 1898-10 Jul 1968)
  6th: Denis James Alexander (10 Jul 1968-20 May 1980)
  7th: Nicholas James Alexander (20 May 1980- )

Baron Callan, of Callan, co. Kilkenny    [Ireland, 1790]
  1st: George Agar (4 Jun 1790-29 Oct 1815)

Baron Calthorpe, of Calthorpe, co. Norfolk    [Great Britain, 1796]
  1st: Henry Gough-Calthorpe (16 Jun 1796-16 Mar 1798)
  2nd: Charles Gough-Calthorpe (16 Mar 1798-5 Jun 1807)
  3rd: George Gough-Calthorpe (5 Jun 1807-27 Sep 1851)
  4th: Frederick Gough (Sep 1851-2 May 1868)
  5th: Frederick Henry William Gough-Calthorpe (2 May 1868-25 Jun 1893)
  6th: Augustus Cholmondeley Gough-Calthorpe (25 Jun 1893-22 Jul 1910)
  7th: Somerset John Gough-Calthorpe (22 Jul 1910-12 Nov 1912)
  8th: Somerset Frederick Gough-Calthorpe (16 Nov 1912-6 Jul 1940)
  9th: Ronald Arthur Somerset Gough-Calthorpe (6 Jul 1940-9 Oct 1945)
10th: Peter Waldo Somerset Gough-Calthorpe (9 Oct 1945-23 May 1997)

Baron Calverley, of the City of Bradford, in the West Riding of Yorkshire    [United Kingdom, 1945]
  1st: George Muff (17 Nov 1945-20 Sep 1955)
  2nd: George Raymond Orford Muff (20 Sep 1955-24 Jun 1971)
  3rd: Charles Rodney Muff (24 Jun 1971- )

Baron Camden of Camden Place, in Chislehurst, co. Kent    [Great Britain, 1765]
  1st: Charles Pratt (17 Jul 1765-18 Apr 1794)
  2nd: John Jeffreys Pratt (18 Apr 1794-8 Oct 1840)
  3rd: George Charles Pratt (8 Jan 1835-6 Aug 1866) during his father's lifetime
  4th: John Charles Pratt (6 Aug 1866-4 May 1872)
  5th: John Charles Pratt (4 May 1872-15 Dec 1943)
  6th: John Charles Henry Pratt (14 Dec 1943-22 Mar 1983)
  7th: David George Edward Henry Pratt (22 Mar 1983- )

Lord Camelford, Baron of Boconnoc, Cornwall    [Great Britain, 1784]
  1st: Thomas Pitt (5 Jan 1784-19 Jan 1793)
  2nd: Thomas Pitt (19 Jan 1793-10 Mar 1804)

Lord Campbell    [Scotland, 1445]
  1st: Duncan Campbell (1445-1453)
  2nd: Colin Campbell (1453-10 May 1493)
  3rd: Archibald Campbell (10 May 1493-9 Sep 1513)
  4th: Colin Campbell (9 Sep 1513-9 Oct 1529)
  5th: Archibald Campbell (1529-bt 1558-1558)
  6th: Archibald Campbell (1558-12 Sep 1573)
  7th: Colin Campbell (12 Sep 1573-10 Sep 1584)
  8th: Archibald Campbell (10 Sep 1584-bt 1638-1638)
  9th: Archibald Campbell (1638-27 May 1661)
10th: Archibald Campbell (16 Oct 1663-30 Jun 1685)
11th: Archibald Campbell (1689-25 Sep 1703)
12th: John Campbell (25 Sep 1703-4 Oct 1743)
13th: Archibald Campbell (4 Oct 1743-15 Apr 1761)
14th: John Campbell (15 Apr 1761-9 Nov 1770)
15th: John Campbell (9 Nov 1770-24 May 1806)
16th: George William Campbell (24 May 1806-22 Oct 1839)
17th: John Douglas Edward Henry Campbell (22 Oct 1839-25 Apr 1847)
18th: George John Douglas Campbell (25 Apr 1847-24 Apr 1900)
19th: John George Edward Henry Douglas Sutherland Campbell (24 Apr 1900-2 May 1914)
20th: Niall Diarmid Campbell (2 May 1914-20 Aug 1949)
21st: Ian Douglas Campbell (20 Aug 1949-7 Apr 1973)
22nd: Ian Campbell (7 Apr 1973-21 Apr 2001)
23rd: Torquhil Ian Campbell (21 Apr 2001- )

Lord Campbell of Loudoun    [Scotland, 1601]
  1st: Hugh Campbell (30 Jun 1601-15 Dec 1622)
  2nd: Margaret Campbell (15 Dec 1622-a 15 Mar 1662) suo jure
  3rd: James Campbell (15 Mar 1662-1684)
  4th: Hugh Campbell (1684-20 Nov 1731)
  5th: John Campbell (20 Nov 1731-27 Apr 1782)
  6th: James Mure-Campbell (27 Apr 1782-28 Apr 1786)
  7th: Flora Campbell (28 Apr 1786-8 Jan 1840)
  8th: George Augustus Francis Rawdon-Hastings (8 Jan 1840-13 Jan 1844)
  9th: Paulyn Reginald Serlo Rawdon-Hastings (13 Jan 1844-17 Jan 1851)
10th: Henry Weysford Charles Plantagenet Rawdon-Hastings (bt 1851-1851-10 Nov 1868)
11th: Edith Maud Rawdon-Hastings (10 Nov 1868-23 Jan 1874)
12th: Charles Edward Rawdon-Hastings (23 Jan 1874-17 May 1920)
13th: Edith Maud Rawdon-Hastings (23 Feb 1923-24 Feb 1960)
14th: Barbara Huddleston Abney-Hastings (24 Feb 1960-1 Nov 2002)
15th: Michael Edward Abney-Hastings (1 Nov 2002-30 Jun 2012)
16th: Simon Michael Abney-Hastings (30 Jun 2012- )

Baron Campbell of St. Andrews, co. Fife    [United Kingdom, 1841]
  1st: John Campbell (30 Jun 1841-24 Jun 1861)
  2nd: William Frederick Campbell (24 Jun 1861-21 Jan 1893)
  3rd: Hallyburton George Campbell (21 Jan 1893-26 Dec 1918)
  5th: Gavin Campbell (12 Dec 1981-1987)
  6th: Donald Campbell (1987-23 Oct 2011)
  7th: David Anthony Campbell (23 Oct 2011- )

Baron Campbell of St. Andrews, co. Fife    [United Kingdom, 1941]
  4th: Alastair Campbell (26 Dec 1918-12 Dec 1981)

Baron Campion, of Bowes, co. Surrey    [United Kingdom, 1950]
  1st: Gilbert Francis Montriou Campion (6 Jul 1950-6 Apr 1958)

Baron Camrose, of Long Cross, co. Surrey    [United Kingdom, 1929]
  1st: William Ewart Berry (19 Jun 1929-15 Jun 1954)
  2nd: John Seymour Berry (15 Jun 1954-15 Feb 1995)
  3rd: William Michael Berry (15 Feb 1995-3 Apr 2001)
  4th: Adrian Michael Berry (3 Apr 2001-19 Apr 2016)
  5th: Jonathan William Berry (19 Apr 2016- )

Baron de Camville    [England, 1295]
  2nd: William Camville

Baron Capell of Hadham, co. Hereford    [England, 1641]
  3rd: Algernon Capell (13 Jul 1683-10 Jan 1710)
  4th: William Capell (10 Jan 1710-8 Jan 1743)
  5th: William Anne Capell (8 Jan 1743-5 Mar 1799)
  6th: George Capell-Coningsby (5 Mar 1799-23 Apr 1839)
  7th: Arthur Algernon Capell (23 Apr 1839-11 Sep 1892)
  8th: George Devereux de Vere Capell (11 Sep 1892-25 Sep 1916)
  9th: Algernon George de Vere Capell (25 Sep 1916-8 Dec 1966)
10th: Reginald George de Vere Capell (8 Dec 1966-18 May 1981)
11th: Robert Edward de Vere Capell (18 May 1981-5 Jun 2005)
12th: Frederick Paul de Vere Capell (5 Jun 2005- )

Baron Capell of Hadham, co. Hertford    [England, 1641]
  1st: Arthur Capell (5 Aug 1641-9 Mar 1649)
  2nd: Arthur Capell (9 Mar 1649-13 Jul 1683)

Baron Capell of Tewksbury, co. Gloucester    [England, 1692]
  1st: Henry Capell (11 Apr 1692-30 May 1696)

Baron Carbery, co. Kildare    [Ireland, 1541]
  1st: William Bermingham (17 Jun 1541-17 Jul 1548)
  2nd: Edward Bermingham (17 Jul 1548-1550)

Baron Carbery, of Carbery, co. Cork    [Ireland, 1715]
  1st: George Evans (9 May 1715-28 Aug 1749) with special remainder to his father's male issue
  2nd: George Evans (28 Aug 1749-2 Feb 1759)
  3rd: George Evans (2 Feb 1759-26 May 1783)
  4th: George Evans (26 May 1783-31 Dec 1804)
  5th: John Evans (31 Dec 1804-4 Mar 1807)
  6th: John Evans-Freke (4 Mar 1807-12 May 1845)
  7th: George Patrick Percy Evans-Freke (12 May 1845-25 Nov 1889)
  8th: William Charles Evans-Freke (25 Nov 1889-7 Nov 1894)
  9th: Algernon William George Evans-Freke (7 Nov 1894-12 Jun 1898)
10th: John Evans Carbery (12 Jun 1898-25 Dec 1970)
11th: Peter Ralfe Harrington Evans-Freke (25 Dec 1970-28 Jul 2012)
12th: Michael Peter Evans-Freke (28 Jul 2012- )

Baron Cardiff of Cardiff Castle    [Great Britain, 1776]
  1st: John Stuart (20 May 1776-16 Nov 1814) in recognition of his vast South Wales properties
  2nd: John Crichton-Stuart (16 Nov 1814-18 Mar 1848)
  3rd: John Patrick Crichton-Stuart (18 Mar 1848-9 Oct 1900)
  4th: John Crichton-Stuart (9 Oct 1900-25 Apr 1947)
  5th: John Crichton-Stuart (25 Apr 1947-14 Aug 1956)
  6th: John Crichton-Stuart (14 Aug 1956-21 Jul 1993)
  7th: John Colum Crichton-Stuart (22 Jul 1993-22 Mar 2021)
  8th: John Bryson Crichton-Stuart (22 Mar 2021- )

Lord Cardross    [Scotland, 1610]
  1st: John Erskine (10 Jun 1610-14 Dec 1634) with special remainder to his heirs male and assignees whatsoever
  2nd: David Erskine (14 Dec 1634-c Jul 1671)
  3rd: Henry Erskine (1671-21 May 1693)
  4th: David Erskine (21 May 1693-14 Oct 1745)
  5th: Henry David Erskine (14 Oct 1745-1 Dec 1767)
  6th: David Steuart Erskine (1 Dec 1767-19 Apr 1829)
  7th: Henry David Erskine (19 Apr 1829-13 Sep 1857)
  8th: David Stuart Erskine (13 Sep 1857-3 Dec 1898)
  9th: Shipley Gordon Stuart Erskine (3 Dec 1898-16 Apr 1934)
10th: Ronald Douglas Stuart Mar Erskine (16 Apr 1934-18 Dec 1960)
11th: Donald Cardross Flower Erskine (18 Dec 1960-26 Jul 1984)
12th: Malcolm Harry Erskine (1984-11 Sep 2022)
13th: Henry Thomas Alexander Erskine (11 Sep 2022- )

Baron Carew, of co. Wexford    [Ireland, 1834]
  1st: Robert Shapland Carew (13 Jun 1834-2 Jun 1856)
  2nd: Robert Shapland Carew (2 Jun 1856-9 Sep 1881)
  3rd: Robert Shapland George Julian Carew (9 Sep 1881-29 Apr 1923)
  4th: George Patrick John Carew (29 Apr 1923-21 Apr 1926)
  5th: Gerald Shapland Carew (21 Apr 1926-3 Oct 1927)
  6th: William Francis Conolly-Carew (3 Oct 1927-27 Jun 1994)
  7th: Patrick Thomas Conolly-Carew (27 Jun 1994- )

Baron Carew of Castle Boro, co. Wexford    [United Kingdom, 1838]
  1st: Robert Shapland Carew (9 Jul 1838-2 Jun 1856)
  2nd: Robert Shapland Carew (2 Jun 1856-9 Sep 1881)
  3rd: Robert Shapland George Julian Carew (9 Sep 1881-29 Apr 1923)
  4th: George Patrick John Carew (29 Apr 1923-21 Apr 1926)
  5th: Gerald Shapland Carew (21 Apr 1926-3 Oct 1927)
  6th: William Francis Conolly-Carew (3 Oct 1927-27 Jun 1994)
  7th: Patrick Thomas Conolly-Carew (27 Jun 1994- )

Baron Carey of Leppington, co. York    [England, 1622]
  1st: Robert Carey (6 Feb 1622-12 Apr 1639)

Baron Carleton, of Carleton, co. York    [Great Britain, 1714]
  1st: Henry Boyle (19 Oct 1714-14 Mar 1725)

Baron Carleton, of Carleton, co. York    [Great Britain, 1786]
  1st: Richard Boyle (6 Aug 1786-20 May 1807)
  2nd: Henry Boyle (8 Jul 1815-22 Apr 1842)
  3rd: Richard Boyle (22 Apr 1842-1 Aug 1868)
  4th: Henry Bentinck Boyle (16 Sep 1835-8 Feb 1890)
  5th: Richard Henry Boyle (8 Feb 1890-11 Dec 1906)
  6th: Richard Bernard Boyle (11 Dec 1906-13 Apr 1917)
  7th: Robert Henry Boyle (13 Apr 1917-29 Dec 1963)
  8th: Richard Bentinck Boyle (29 Dec 1963-9 May 2013)
  9th: Richard Henry John Boyle (9 May 2013- )

Baron Carleton of Anner, co. Tipperary    [Ireland, 1789]
  1st: Hugh Carleton (17 Sep 1789-25 Feb 1826)

Baron Carlingford, of Carlingford, co. Louth    [United Kingdom, 1874]
  1st: Chichester Samuel Parkinson-Fortescue (28 Feb 1874-30 Jan 1898)

Lord Carlyle of Torthorwald    [Scotland, 1474]
  1st: John Carlyle (bt 1473-1474-b 23 Jul 1501)
  2nd: William Carlyle (c 1501-fr 1524-1525)
  3rd: James Carlyle (c 1525-b 15 Jan 1526)
  4th: Michael Carlyle (c 1526-Jun 1575)
  5th: Elizabeth Carlyle (Jun 1575-a 8 May 1642)
  6th: James Douglas (14 Jul 1608-a 1622)

Lord Carmichael    [Scotland, 1647]
  1st: James Carmichael (27 Dec 1647-29 Nov 1672)

Baron Carmichael, of Skirling, co. Peebles    [United Kingdom, 1912]
  1st: Thomas David Gibson-Carmichael (7 Feb 1912-16 Jan 1926)

Baron Carmichael of Carmichael    [Scotland, 1701]
  1st: John Carmichael (25 Jun 1701-20 Sep 1710)
  2nd: James Carmichael (20 Sep 1710-16 Aug 1737)
  3rd: John Carmichael (16 Aug 1737-19 Jul 1767)
  4th: John Carmichael (19 Jul 1767-21 Dec 1787)
  5th: Thomas Carmichael (21 Dec 1787-14 Feb 1811)
  6th: Andrew Carmichael (14 Feb 1811-18 Apr 1817)

Lord Carnegie of Kinnaird    [Scotland, 1616]
  1st: David Carnegie (14 Apr 1616-Feb 1658)
  2nd: James Carnegie (Feb 1628-Mar 1669)
  3rd: Robert Carnegie (Jan 1669-19 Feb 1688)
  4th: Charles Carnegie (19 Feb 1688-9 Aug 1699)
  5th: James Carnegie (9 Aug 1699-10 Feb 1730)
  9th: James Carnegie (2 Jul 1855-21 Feb 1905) after the original precedence by reversal by Act of Parliament of the Act of Attainder
10th: Charles Noel Carnegie (21 Feb 1905-10 Nov 1941)
11th: Charles Alexander Carnegie (10 Nov 1941-16 Feb 1992)
12th: James George Alexander Bannerman Carnegie (16 Feb 1992-22 Jun 2015)
13th: David Charles Carnegie (22 Jun 2015- )

Lord Carnegie of Kinnaird and Leuchars    [Scotland, 1633]
  1st: David Carnegie (22 Jun 1633-Feb 1658) with a special remainder to his heirs male for ever
  2nd: James Carnegie (Feb 1628-Mar 1669)
  3rd: Robert Carnegie (Jan 1669-19 Feb 1688)
  4th: Charles Carnegie (19 Feb 1688-9 Aug 1699)
  5th: James Carnegie (9 Aug 1699-10 Feb 1730)
  9th: James Carnegie (2 Jul 1855-21 Feb 1905) after the original precedence by reversal by Act of Parliament of the Act of Attainder
10th: Charles Noel Carnegie (21 Feb 1905-10 Nov 1941)
11th: Charles Alexander Carnegie (10 Nov 1941-16 Feb 1992)
12th: James George Alexander Bannerman Carnegie (16 Feb 1992-22 Jun 2015)
13th: David Charles Carnegie (22 Jun 2015- )

Baron Carnock, of Carnock, co. Stirling    [United Kingdom, 1916]
  1st: Arthur Nicolson (27 Jun 1916-6 Nov 1928)
  2nd: Frederick Archibald Nicolson (6 Nov 1928-3 May 1952)
  3rd: Erskine Arthur Nicolson (3 May 1952-2 Oct 1982)
  4th: David Henry Arthur Nicolson (2 Oct 1982-26 Dec 2008)
  5th: Adam Nicolson (26 Dec 2008- )

Baron Carpenter of Killaghy, co. Kilkenny    [Ireland, 1719]
  1st: George Carpenter (29 May 1719-10 Feb 1732)
  2nd: George Carpenter (10 Feb 1732-12 Jul 1749)
  3rd: George Carpenter (12 Jul 1749-9 Mar 1762)

Baron Carrickfergus    [United Kingdom, 2011]
  1st: William Arthur Philip Louis Mountbatten-Windsor (29 Apr 2011- )

Baron Carrington of Bulcot Lodge    [Ireland, 1796]
  1st: Robert Smith (16 Jul 1796-18 Sep 1838)
  2nd: Robert John Carrington (18 Sep 1838-17 Mar 1868)
  3rd: Charles Robert Wynn-Carington (1 Mar 1868-13 Jun 1928)
  4th: Rupert Clement George Carington (13 Jun 1928-11 Nov 1929)
  5th: Rupert Victor John Carington (11 Nov 1929-19 Nov 1938)
  6th: Peter Alexander Rupert Carington (19 Nov 1938-9 Jul 2018)
  7th: Rupert Francis John Carington (9 Jul 2018- )

Baron Carrington of Upton, co. Notts    [Great Britain, 1797]
  1st: Robert Smith (20 Oct 1797-18 Sep 1838)
  2nd: Robert John Carrington (18 Sep 1838-17 Mar 1868)
  3rd: Charles Robert Wynn-Carington (1 Mar 1868-13 Jun 1928)
  4th: Rupert Clement George Carington (13 Jun 1928-11 Nov 1929)
  5th: Rupert Victor John Carington (11 Nov 1929-19 Nov 1938)
  6th: Peter Alexander Rupert Carington (19 Nov 1938-9 Jul 2018)
  7th: Rupert Francis John Carington (9 Jul 2018- )

Baron Carrington of Wotton, co. Warwick    [England, 1643]
  1st: Charles Smyth (31 Oct 1643-22 Feb 1665)
  2nd: Francis Smith (22 Feb 1665-c Apr 1701)
  3rd: Charles Smith (c Apr 1701-11 May 1706)

Baron Carteret of Hawnes, co. Bedford    [England, 1681]
  1st: George Carteret (19 Oct 1681-22 Sep 1695) with a special remainder to his brothers
  2nd: John Carteret (22 Sep 1695-2 Jan 1763)
  3rd: Robert Carteret (2 Jan 1763-13 Feb 1776)

Baron Carteret of Hawnes, co. Bedford    [Great Britain, 1784]
  1st: Henry Frederick Carteret (29 Jan 1784-17 Jun 1826) with special remainder to the younger sons of his brother
  2nd: George Thynne (17 Jun 1826-19 Feb 1838)
  3rd: John Thynne (19 Feb 1838-10 Mar 1849)

Lord Carye    [Scotland, 1620]
  1st: Henry Cary (10 Nov 1620-c Sep 1633)
  2nd: Lucius Cary (c Sep 1633-20 Sep 1643)
  3rd: Lucius Cary (20 Sep 1643-27 Sep 1649)
  4th: Henry Cary (27 Sep 1649-2 Apr 1663)
  5th: Anthony Cary (2 Apr 1663-24 May 1694)
  6th: Lucius Henry Cary (24 May 1694-31 Dec 1730)
  7th: Lucius Charles Cary (31 Dec 1730-27 Feb 1785)
  8th: Henry Thomas Cary (27 Feb 1785-28 May 1796)
  9th: Charles John Cary (28 May 1796-2 Mar 1809)
10th: Lucius Bentinck Cary (28 Feb 1809-12 Mar 1884)
11th: Plantagenet Pierrepont Cary (12 Mar 1884-1 Feb 1886)
12th: Byron Plantagenet Cary (21 Feb 1874-10 Jan 1922)
13th: Lucius Plantagenet Cary (10 Jan 1922-24 Jul 1961)
14th: Lucius Henry Charles Plantagenet Cary (24 Jul 1961-16 Mar 1984)
15th: Lucius Edward William Plantagenet Cary (16 Mar 1984- )

Baron Carysfort, of Carysfort, co. Wicklow    [Ireland, 1752]
  1st: John Proby (23 Jan 1752-18 Oct 1772)
  2nd: John Joshua Proby (18 Oct 1772-7 Apr 1828)
  3rd: John Proby (7 Apr 1828-11 Jun 1855)
  4th: Granville Leveson Proby (11 Jun 1855-3 Nov 1868)
  5th: Granville Leveson Proby (3 Nov 1868-18 May 1872)
  6th: William Proby (18 May 1872-4 Sep 1909)

Baron Carysfort, of the Hundred of Norman Cross, co. Huntingdon    [United Kingdom, 1801]
  1st: John Joshua Proby (21 Jan 1801-7 Apr 1828)
  2nd: John Proby (7 Apr 1828-11 Jun 1855)
  3rd: Granville Leveson Proby (11 Jun 1855-3 Nov 1868)
  4th: Granville Leveson Proby (3 Nov 1868-18 May 1872)
  5th: William Proby (18 May 1872-4 Sep 1909)

Baron Castle Coote    [Ireland, 1800]
  1st: Charles Henry Coote (31 Jul 1800-2 Mar 1802) with a special remainder to his kinsman, Charles Henry Coote
  2nd: Charles Henry Coote (2 Mar 1802-22 Jan 1823)
  3rd: Eyre Tilson Coote (22 Jan 1823-24 Mar 1827)

Baron of Castle Martyr, co. Cork    [Ireland, 1756]
  1st: Henry Boyle (17 Apr 1756-28 Dec 1764)
  2nd: Richard Boyle (28 Dec 1764-20 May 1807)
  3rd: Henry Boyle (8 Jul 1815-22 Apr 1842)
  4th: Richard Boyle (22 Apr 1842-1 Aug 1868)
  5th: Henry Bentinck Boyle (16 Sep 1835-8 Feb 1890)
  6th: Richard Henry Boyle (8 Feb 1890-11 Dec 1906)
  7th: Richard Bernard Boyle (11 Dec 1906-13 Apr 1917)
  8th: Robert Henry Boyle (13 Apr 1917-29 Dec 1963)
  9th: Richard Bentinck Boyle (29 Dec 1963-9 May 2013)

Baron Castle Stuart, of co. Tyrone    [Ireland, 1619]
  1st: Andrew Stewart (7 Nov 1619-Jan 1629)
  2nd: Andrew Stewart (Jan 1629-30 Mar 1639)
  3rd: Andrew Stewart (30 Mar 1639-c 10 Aug 1650)
  4th: Josias Stewart (10 Aug 1650-2 Dec 1662)
  5th: John Stewart (2 Dec 1662-1685)
  6th: Robert Stewart (1685-Mar 1686) de jure
  7th: Andrew Stewart (Mar 1686-1715) de jure
  8th: Robert Stewart (1715-2 Mar 1742) de jure
  9th: Andrew Thomas Stewart (24 May 1774-26 Aug 1809)
10th: Robert Stewart (26 Aug 1809-10 Jun 1854)
11th: Edward Stewart (10 Jun 1854-20 Feb 1857)
12th: Charles Andrew Knox Stewart (20 Feb 1857-12 Sep 1874)
13th: Henry James Stuart-Richardson (12 Sep 1874-5 Jun 1914)
14th: Andrew John Stuart (5 Jun 1914-7 Nov 1921)
15th: Arthur Stuart (7 Nov 1921-5 Nov 1961)
16th: Arthur Patrick Avondale Stuart (5 Nov 1961-21 Nov 2023)
17th: Andrew Richard Charles Stuart (21 Nov 2023- )

Baron Castle-Durrow, co. Kilkenny    [Ireland, 1733]
  1st: William Flower (27 Oct 1733-29 Apr 1746)
  2nd: Henry Flower (29 Aug 1746-27 Jun 1752)
  3rd: William Flower (27 Jun 1752-30 Aug 1780)
  4th: William Flower (30 Aug 1780-6 Jan 1802)
  5th: Henry Jeffery Flower (6 Jan 1802-4 May 1847)
  6th: Henry Flower (4 May 1847-3 Aug 1871)
  7th: Henry Jeffery Flower (3 Aug 1871-14 Dec 1882)
  8th: William Spencer Flower (14 Dec 1882-26 Nov 1906)
  9th: Robert Thomas Flower (26 Nov 1906-9 Mar 1919)
10th: Llowarch Robert Flower (9 Mar 1919-30 Aug 1936)
11th: Desmond Llowarch Edward Flower (30 Aug 1936-5 Dec 1995)
12th: Michael Llowarch Warburton Flower (5 Dec 1995- )

Baron of Castlehaven, co. Cork    [Ireland, 1616]
  8th: John Talbot Tuchet (6 May 1769-22 Apr 1777)

Baroness Castlehaven, of Castlehaven, co. Cromartie    [United Kingdom, 1861]
  1st: Anne Hay-Mackenzie (21 Oct 1861-25 Nov 1888) with special remainder to her 2nd son Francis and his heirs
  2nd: Francis Mackenzie Sutherland-Leveson-Gower (25 Nov 1888-24 Nov 1893)
  3rd: Sibell Lilian Sutherland-Leveson-Gower (25 Feb 1895-20 May 1962)
  4th: Roderick Grant Francis Mackenzie (20 May 1962-13 Dec 1989)
  5th: John Ruaridh Grant Mackenzie (13 Dec 1989- )

Baron Castlemaine of Moydrum, co. Westmeath    [Ireland, 1812]
  1st: William Handcock (21 Dec 1812-7 Jan 1839) with a special remainder to his brother, Richard
  2nd: Richard Handcock (7 Jan 1839-18 Apr 1840)
  3rd: Richard Handcock (18 Apr 1840-4 Jul 1869)
  4th: Richard Handcock (4 Jul 1869-26 Apr 1892)
  5th: Albert Edward Handcock (26 Apr 1892-6 Jul 1937)
  6th: Robert Arthur Handcock (6 Jul 1937-31 May 1954)
  7th: John Michael Schomberg Staveley Handcock (31 May 1954-31 Jul 1973)
  8th: Roland Thomas John Handcock (31 Jul 1973- )

Baron Castlerosse    [Ireland, 1689]
  1st: Valentine Browne (20 May 1689- ) de jure
  2nd: Nicholas Browne (1694-26 Apr 1720) de jure
  3rd: Valentine Browne (26 Apr 1720-30 Jun 1736) de jure
  4th: Thomas Browne (30 Jun 1736-9 Sep 1795) de jure
  5th: Valentine Browne (9 Sep 1795-3 Oct 1812)

Baron Castlerosse    [Ireland, 1798]
  1st: Valentine Browne (12 Feb 1798-3 Oct 1812) with the 1689 peerage not being recognised
  2nd: Valentine Browne (3 Oct 1812-31 Oct 1853)
  3rd: Thomas Browne (31 Oct 1853-26 Dec 1871)
  4th: Valentine Augustus Browne (26 Dec 1871-9 Feb 1905)
  5th: Valentine Charles Browne (9 Feb 1905-14 Nov 1941)
  6th: Valentine Edward Charles Browne (14 Nov 1941-20 Sep 1943)
  7th: Gerald Ralph Desmond Browne (20 Sep 1943-14 Feb 1952)

Baron Castletown of Upper Ossory, in the Queen's County    [United Kingdom, 1869]
  1st: John Fitzpatrick (10 Dec 1869-22 Jan 1883)
  2nd: Bernard Edward Barnaby Fitzpatrick (22 Jan 1883-29 May 1937)

Lord Cathcart    [Scotland, 1452]
  1st: Alan Cathcart (c 1452-b 3 Oct 1497)
  2nd: John Cathcart (b 3 Oct 1497-Dec 1535)
  3rd: Alan Cathcart (Dec 1535-10 Sep 1547)
  4th: Alan Cathcart (10 Sep 1547-Dec 1618)
  5th: Alan Cathcart (Dec 1618-18 Aug 1628)
  6th: Alan Cathcart (18 Aug 1628-13 Jun 1709)
  7th: Alan Cathcart (12 Jun 1709-19 Oct 1732)
  8th: Charles Cathcart (19 Oct 1732-20 Dec 1740)
  9th: Charles Schaw Cathcart (1740-14 Aug 1776)
10th: William Schaw Cathcart (14 Aug 1776-16 Jun 1843)
11th: Charles Murray Cathcart (16 Jun 1843-16 Jul 1859)
12th: Alan Frederick Cathcart (16 Jul 1859-30 Oct 1905)
13th: Alan Cathcart (30 Oct 1905-2 Sep 1911)
14th: George Cathcart (2 Sep 1911-19 Nov 1927)
15th: Alan Cathcart (19 Nov 1927-15 Jun 1999)
16th: Charles Alan Andrew Cathcart (15 Jun 1999- )

Baron Catherlough, co. Catherlough    [Ireland, 1733]
  1st: John Fane (4 Oct 1733-26 Aug 1762)

Baron Catto, of Cairncatto, co. Aberdeen    [United Kingdom, 1936]
  1st: Thomas Sivewright Catto (24 Feb 1936-23 Aug 1959)
  2nd: Stephen Gordon Catto (23 Aug 1959-3 Sep 2001)
  3rd: Innes Gordon Catto (3 Sep 2001- )

Lord Caulfeild, Baron of Charlemont, co. Armagh    [Ireland, 1620]
  1st: Toby Caulfeild (22 Dec 1620-17 Aug 1627) with a special remainder to his nephew, Sir William Caulfeild
  2nd: William Caulfeild (17 Aug 1627-4 Dec 1640)
  3rd: Toby Caulfeild (1640-6 Jan 1642)
  4th: Robert Caulfeild (c Mar 1642-1 Jan 1644)
  5th: William Caulfeild (1 Jan 1644-Apr 1671)
  6th: William Caulfeild (c Apr 1671-21 Jul 1726)
  7th: James Caulfeild (21 Jul 1726-21 Apr 1734)
  8th: James Caulfeild (21 Apr 1734-4 Aug 1799)
  9th: Francis William Caulfeild (4 Aug 1799-26 Dec 1863)
10th: James Molyneux Caulfeild (26 Dec 1863-12 Jan 1892)
11th: James Alfred Caulfeild (12 Jan 1892-4 Jul 1913)
12th: James Edward Geale Caulfeild (4 Jul 1913-30 Aug 1949)
13th: Charles Edward St. George Caulfeild (30 Aug 1949-18 Jan 1964)
14th: Robert Toby St. George Caulfeild (18 Jan 1964-26 Nov 1967)
15th: Charles St. George Caulfeild (26 Nov 1967-18 Nov 1971)
16th: Richard William St. George Caulfeild (18 Nov 1971-18 Jun 1979)
17th: Charles Wilberforce Caulfeild (18 Jun 1979-14 Sep 1985)
18th: John Day Caulfeild (14 Sep 1985-10 Nov 2001)
19th: John Dodd Caulfeild (10 Nov 2001- )

Baron Cautley, of Lindfield, co. Sussex    [United Kingdom, 1936]
  1st: Henry Strother Cautley (14 Jul 1936-21 Sep 1946)

Baron Cavendish of Bolsover, co. Derby    [England, 1628]
  1st: William Cavendish (7 Mar 1628-25 Dec 1676)
  2nd: Henry Cavendish (25 Dec 1676-26 Jul 1691)

Baron Cavendish of Hardwick, co. Derby    [England, 1605]
  1st: William Cavendish (4 May 1605-3 Mar 1626)
  2nd: William Cavendish (3 Mar 1626-20 Jun 1628)
  3rd: William Cavendish (20 Jun 1628-23 Nov 1684)
  4th: William Cavendish (23 Nov 1684-18 Aug 1707)
  5th: William Cavendish (18 Aug 1707-4 Jun 1729)
  6th: William Cavendish (4 Jun 1729-5 Dec 1755)
  7th: William Cavendish (13 Jun 1751-2 Oct 1764) in his father's lifetime
  8th: William Cavendish (2 Oct 1764-29 Jul 1811)
  9th: William George Spencer Cavendish (29 Jul 1811-18 Jan 1858)
10th: William Cavendish (18 Jan 1858-21 Dec 1891)
11th: Spencer Compton Cavendish (21 Dec 1891-24 Mar 1908)
12th: Victor Christian William Cavendish (24 Mar 1908-6 May 1938)
13th: Edward William Spencer Cavendish (6 May 1938-26 Nov 1950)
14th: Andrew Robert Buxton Cavendish (26 Nov 1950-3 May 2004)
15th: Peregrine Andrew Morny Cavendish (3 May 2004- )

Baron Cavendish of Keighley, co. York    [United Kingdom, 1831]
  1st: George Augustus Henry Cavendish (10 Sep 1831-4 May 1834)
  2nd: William Cavendish (4 May 1834-21 Dec 1891)
  3rd: Spencer Compton Cavendish (21 Dec 1891-24 Mar 1908)
  4th: Victor Christian William Cavendish (24 Mar 1908-6 May 1938)
  5th: Edward William Spencer Cavendish (6 May 1938-26 Nov 1950)
  6th: Andrew Robert Buxton Cavendish (26 Nov 1950-3 May 2004)
  7th: Peregrine Andrew Morny Cavendish (3 May 2004- )

Baron Cawdor of Castlemartin, co. Pembroke    [Great Britain, 1796]
  1st: John Campbell (21 Jun 1796-1 Jun 1821)
  2nd: John Frederick Campbell (1 Jun 1821-7 Nov 1860)
  3rd: John Frederick Vaughan Campbell (7 Nov 1860-29 Mar 1898)
  4th: Frederick Archibald Vaughan Campbell (29 Mar 1898-8 Feb 1911)
  5th: Hugh Frederick Vaughan Campbell (8 Feb 1911-7 Jan 1914)
  6th: John Duncan Vaughan Campbell (7 Jan 1914-9 Jan 1970)
  7th: Hugh John Vaughan Campbell (9 Jan 1970-20 Jun 1993)
  8th: Colin Robert Vaughan Campbell (1993- )

Baron Cawley, of Prestwich, co. Lancs    [United Kingdom, 1918]
  1st: Frederick Cawley (16 Jan 1918-30 Mar 1937)
  2nd: Robert Hugh Cawley (30 Mar 1937-24 Sep 1954)
  3rd: Frederick Lee Cawley (24 Sep 1954-13 Apr 2001)
  4th: John Francis Cawley (13 Apr 2001- )

Baron Cecil of Essendon, co. Rutland    [England, 1603]
  1st: Robert Cecil (13 May 1603-24 May 1612)
  2nd: William Cecil (24 May 1612-3 Dec 1668)
  3rd: James Cecil (3 Dec 1668-May 1683)
  4th: James Cecil (May 1683-24 Oct 1694)
  5th: James Cecil (24 Oct 1694-9 Oct 1728)
  6th: James Cecil (9 Oct 1728-19 Sep 1780)
  7th: James Brownlow William Gascoyne-Cecil (13 Jun 1823-12 Apr 1868)
  7th: James Cecil (19 Sep 1780-13 Jun 1823)
  9th: Robert Arthur Talbot Gascoyne-Cecil (12 Apr 1868-22 Aug 1903)
10th: James Edward Hubert Gascoyne-Cecil (22 Aug 1903-4 Apr 1947)
11th: Robert Arthur James Gascoyne-Cecil (21 Jan 1941-23 Feb 1972)
12th: Robert Edward Peter Gascoyne-Cecil (23 Feb 1972-11 Jul 2003)
13th: Robert Michael James Gascoyne-Cecil (1992- )

Baron Chalmers, of Northiam, co. Sussex    [United Kingdom, 1919]
  1st: Robert Chalmers (24 Apr 1919-17 Nov 1938)

Baron Chandos of Sudeley, co. Gloucester    [England, 1554]
  1st: John Brydges (8 Apr 1554-12 Apr 1557)
  2nd: Edmund Brydges (12 Apr 1557-11 Mar 1573)
  3rd: Giles Brydges (11 Mar 1573-21 Feb 1594)
  4th: William Brydges (21 Feb 1594-18 Nov 1602)
  5th: Grey Brydges (18 Nov 1602-10 Aug 1621)
  6th: George Brydges (11 Jan 1622-Feb 1655)
  7th: William Brydges (Feb 1655-c Aug 1676)
  8th: James Brydges (22 Aug 1676-16 Oct 1714)
  9th: James Brydges (16 Oct 1714-9 Aug 1744)
10th: Henry Brydges (9 Aug 1744-28 Nov 1771)
11th: James Brydges (28 Nov 1771-29 Sep 1789)

Baron Channing of Wellingborough, of Wellingborough, co. Northampton    [United Kingdom, 1912]
  1st: Francis Allston Channing (9 Jul 1912-20 Feb 1926)

Baron Charlemont, of Charlemont, co. Armagh    [United Kingdom, 1837]
  1st: Francis William Caulfeild (13 Feb 1837-26 Dec 1863) with a special remainder to his brother
  2nd: James Molyneux Caulfeild (26 Dec 1863-12 Jan 1892)

Baron Charleville, co. Cork    [Ireland, 1718]
  1st: John Brownlow (23 Jun 1718-27 Feb 1754)

Baron Charnwood, of Castle Donington, co. Leicester    [United Kingdom, 1911]
  1st: Godfrey Rathbone Benson (29 Jun 1911-3 Feb 1945)
  2nd: John Roby Benson (3 Feb 1945-1 Feb 1955)

Baron Chatfield, of Ditchling, co. Sussex    [United Kingdom, 1937]
  1st: Alfred Ernle Montacute Chatfield (4 Jun 1937-15 Nov 1967)
  2nd: Ernle David Lewis Chatfield (15 Nov 1967-30 Sep 2007)

Baroness Chatham, of Chatham, Kent    [Great Britain, 1761]
  1st: Hester Grenville (4 Dec 1761-3 Apr 1803) suo jure
  2nd: John Pitt (2 Apr 1803-24 Sep 1835)

Baron Chattisham, of Clitheroe, co. Lancaster    [United Kingdom, 1945]
  1st: William Brass (13 Jul 1945-24 Aug 1945)

Baron Chaworth of Eaton Hall, co. Hereford    [United Kingdom, 1831]
  1st: John Chambré Brabazon (10 Sep 1831-15 Mar 1851)
  2nd: William Brabazon (15 Mar 1851-26 May 1887)
  3rd: Reginald Brabazon (26 May 1887-11 Oct 1929)
  4th: Reginald le Normand Brabazon (11 Oct 1929-10 Mar 1949)
  5th: Anthony Windham Normand Brabazon (10 Mar 1949-19 Dec 1998)
  6th: John Anthony Brabazon (19 Dec 1998- )

Baron Chaworth of Tryme, co. Meath    [Ireland, 1628]
  1st: George Chaworth (4 Mar 1628-3 Jul 1639)
  2nd: John Chaworth (3 Jul 1639-Jun 1644)
  3rd: Patrick Chaworth (Jun 1644-Jun 1693)

Lord Chedworth, Baron of Chedworth, co. Gloucester    [Great Britain, 1741]
  1st: John Howe (12 May 1741-3 Apr 1742)
  2nd: John Thynne Howe (3 Apr 1742-9 May 1762)
  3rd: Henry Frederick Howe (9 May 1762-7 Oct 1781)
  4th: John Howe (7 Oct 1781-29 Oct 1804)

Baron Chelmsford of Chelmsford, co. Essex    [United Kingdom, 1858]
  1st: Frederick Thesiger (1 Mar 1858-5 Oct 1878)
  2nd: Frederick Augustus Thesiger (5 Oct 1878-9 Apr 1905)
  3rd: Frederick John Napier Thesiger (9 Apr 1905-1 Apr 1933)
  4th: Andrew Charles Gerald Thesiger (1 Apr 1933-27 Sep 1970)
  5th: Frederick Jan Thesiger (27 Sep 1970-15 Dec 1999)
  6th: Frederic Corin Piers Thesiger (1999- )

Baron Cherwell, of Oxford, co. Oxford    [United Kingdom, 1941]
  1st: Frederick Alexander Lindemann (4 Jul 1941-3 Jul 1957)

Baron Chesham, of Chesham, co. Buckingham    [United Kingdom, 1858]
  1st: Charles Compton Cavendish (15 Jan 1858-10 Nov 1863)
  2nd: William George Cavendish (10 Nov 1863-26 Jun 1882)
  3rd: Charles Compton William Cavendish (26 Jun 1882-9 Nov 1907)
  4th: John Compton Cavendish (9 Nov 1907-26 Apr 1952)
  5th: John Charles Compton Cavendish (26 Apr 1952-23 Dec 1989)
  6th: Nicholas Charles Cavendish (23 Dec 1989-27 Aug 2009)
  7th: Charles Grey Compton Cavendish (27 Aug 2009- )

Baron Chesterford, Essex    [Great Britain, 1706]
  1st: Henry Howard (30 Dec 1706-19 Sep 1718)
  2nd: Charles William Howard (19 Sep 1718-8 Feb 1722)

Baron Chetwode, of Chetwode in the County of Buckinghamshire    [United Kingdom, 1945]
  1st: Philip Walhouse Chetwode (10 Jul 1945-6 Jul 1950)
  2nd: Philip Chetwode (6 Jul 1950- )

Baron Cheylesmore, of Cheylesmore, in the city of Coventry, co. Warwick    [United Kingdom, 1887]
  1st: Henry William Eaton (9 Jul 1887-2 Oct 1891)
  2nd: William Meriton Eaton (2 Oct 1891-10 Jul 1902)
  3rd: Herbert Francis Eaton (10 Jul 1902-29 Jul 1925)
  4th: Francis Ormond Henry Eaton (29 Jul 1925-21 Apr 1985)

Baron Chichester of Belfast, co. Antrim    [Ireland, 1613]
  1st: Arthur Chichester (23 Feb 1613-19 Feb 1625)

Baron Chichester of Belfast, co. Antrim    [Ireland, 1625]
  1st: Edward Chichester (1 Apr 1625-8 Jul 1648)
  2nd: Arthur Chichester (8 Jul 1648-18 Mar 1675)
  3rd: Arthur Chichester (18 Mar 1675-26 Oct 1678)
  4th: Arthur Chichester (26 Oct 1678-20 Apr 1706)
  5th: Arthur Chichester (10 Apr 1706-30 Sep 1757)
  6th: Arthur Chichester (30 Sep 1757-5 Jan 1799)
  7th: George Augustus Chichester (5 Jan 1799-5 Oct 1844)
  8th: George Hamilton Chichester (5 Oct 1844-20 Oct 1883)
  9th: Edward Chichester (20 Oct 1883-20 Jan 1889)
10th: George Augustus Chichester (20 Jan 1889-13 May 1904)
11th: Edward Arthur Donald St. George Chichester (13 May 1904-24 May 1975)
12th: Dermot Richard Claud Chichester (24 May 1975-19 Apr 2007)
13th: Arthur Patrick Chichester (19 Apr 2007- )

Baron Cholmondeley of Wichemalbank, co. Chester    [England, 1645]
  1st: Robert Cholmondeley (1 Sep 1645-2 Oct 1659)

Baron Cholmondeley of Witch Malbank, alias Nantwich, co. Chester    [England, 1689]
  1st: Hugh Cholmondeley (10 Apr 1689-18 Jan 1725) with a special remainder to his next surviving brother, George
  2nd: George Cholmondeley (18 Jan 1725-7 May 1733)
  3rd: George Cholmondeley (7 May 1733-10 Jun 1770)
  4th: George James Cholmondeley (10 Jun 1770-10 Apr 1827)
  5th: George Horatio Cholmondeley (10 Apr 1827-8 May 1870)
  6th: William Henry Hugh Cholmondeley (8 May 1870-16 Dec 1884)
  7th: George Henry Hugh Cholmondeley (16 Dec 1884-16 Mar 1923)
  8th: George Horatio Charles Cholmondeley (16 Mar 1923-16 Sep 1968)
  9th: George Hugh Cholmondeley (16 Sep 1968-13 Mar 1990)
10th: David George Philip Cholmondeley (13 Mar 1990- )

Baron Chorley, of Kendal, co. Westmorland    [United Kingdom, 1945]
  1st: Robert Samuel Theodore Chorley (16 Nov 1945-27 Jan 1978)
  2nd: Roger Richard Edward Chorley (27 Jan 1978-21 Feb 2016)
  3rd: Nicholas Rupert Debenham Chorley (21 Feb 2016- )

Lord Churchill of Eyemouth, co. Berwick    [Scotland, 1682]
  1st: John Churchill (21 Dec 1682-16 Jun 1722)

Baron Churchill of Sandridge, co. Hertford    [England, 1685]
  1st: John Churchill (14 May 1685-16 Jun 1722)
  2nd: Henrietta Churchill (9 Aug 1722-24 Oct 1733) suo jure
  3rd: Charles Spencer (24 Oct 1733-20 Oct 1758)
  4th: George Spencer (20 Oct 1758-29 Jan 1817)
  5th: George Spencer-Churchill (29 Jan 1817-5 Mar 1840)
  6th: George Spencer-Churchill (5 Mar 1840-1 Jul 1857)
  7th: John Winston Spencer-Churchill (1 Jul 1857-5 Jul 1883)
  8th: George Charles Spencer-Churchill (16 Apr 1883-9 Nov 1892)
  9th: Charles Richard John Spencer-Churchill (9 Nov 1892-30 Jun 1934)
10th: John Albert Edward William Spencer-Churchill (30 Jun 1934-11 Mar 1972)
11th: John George Vanderbilt Henry Spencer-Churchill (10 Mar 1972-16 Oct 2014)
12th: Charles James Spencer-Churchill (16 Oct 2014- )

Baron Churchill of Whichwood, co. Oxford    [United Kingdom, 1815]
  1st: Francis Almeric Spencer (11 Aug 1815-10 Mar 1845)
  2nd: Francis George Spencer (10 Mar 1845-24 Nov 1886)
  3rd: Victor Albert Francis Charles Spencer (24 Nov 1886-3 Jan 1934)
  4th: Victor Alexander Spencer (3 Jan 1934-21 Dec 1973)
  5th: Victor George Spencer Spencer (21 Dec 1973-18 Oct 2017)
  6th: Richard Harry Ramsay Spencer (18 Oct 2017-19 Oct 2020)
  7th: Michael Richard de Charrière Spencer (19 Oct 2020- )

Baron Churston of Churston Ferrers and Lupton, co. Devon    [United Kingdom, 1858]
  1st: John Yarde-Buller (2 Aug 1858-4 Sep 1871)
  2nd: John Yarde-Buller (4 Sep 1871-30 Nov 1910)
  3rd: John Reginald Lopes Yarde-Buller (30 Nov 1910-19 Apr 1930)
  4th: Richard Francis Roger Yarde-Buller (19 Apr 1930-9 Apr 1991)
  5th: John Francis Yarde-Buller (9 Apr 1991-16 Feb 2023)
  6th: Benjamin Francis Anthony Yarde-Buller (16 Feb 2023- )

Baron of Cirencester, co. Gloucester    [England, 1689]
  1st: Hans William Bentinck (9 Apr 1689-23 Nov 1709)
  2nd: Henry Bentinck (23 Nov 1709-4 Jul 1726)
  3rd: William Bentinck (4 Jul 1726-1 May 1762)
  5th: William Henry Cavendish-Bentinck (1 May 1762-30 Oct 1809)
  5th: William Henry Cavendish-Scott-Bentinck (30 Oct 1809-27 Mar 1854)
  6th: William John Cavendish Cavendish-Scott-Bentinck (27 Mar 1854-6 Dec 1879)
  7th: William John Arthur Charles James Cavendish-Bentinck (6 Dec 1879-26 Apr 1943)
  8th: William Arthur Henry Cavendish-Bentinck (26 Apr 1943-21 Mar 1977)
  9th: Ferdinand William Cavendish-Bentinck (21 Mar 1977-13 Dec 1980)
10th: Victor Frederick William Cavendish-Bentinck (13 Dec 1980-30 Jul 1990)
11th: Henry Noel Bentinck (30 Jul 1990-30 Jan 1997)
12th: Timothy Charles Robert Noel Bentinck (30 Jan 1997- )

Baron Citrine, of Wembley, co. Middlesex    [United Kingdom, 1946]
  1st: Walter McLennan Citrine (16 Jul 1946-22 Jan 1983)
  2nd: Norman Arthur Citrine Citrine (22 Jan 1983-18 Mar 1997)
  3rd: Ronald Eric Citrine (18 Mar 1997-2006) although he does not use the title

Baron Clanbrassill of Hyde Hall, co. Hertford    [United Kingdom, 1821]
  1st: Robert Jocelyn (17 Jul 1821-20 Mar 1870)
  2nd: Robert Jocelyn (20 Mar 1870-9 Jan 1880)
  3rd: John Strange Jocelyn (9 Jan 1880-3 Jul 1897)

Baron Claneboye, co. Down    [Ireland, 1719]
  1st: James Hamilton (13 May 1719-17 Mar 1758)
  2nd: James Hamilton (17 Mar 1758-6 Feb 1798)

Baron Claneboye, of Claneboye, co. Down    [United Kingdom, 1850]
  1st: Frederick Temple Hamilton-Temple-Blackwood (22 Jan 1850-12 Feb 1902)
  2nd: Terence John Temple Hamilton-Temple-Blackwood (12 Feb 1902-11 Feb 1919)
  3rd: Frederick Temple Hamilton-Temple-Blackwood (7 Feb 1918-21 Jul 1930)
  4th: Basil Sheridan Hamilton-Temple-Blackwood (21 Jul 1930-25 Mar 1945)
  5th: Sheriden Frederick Terence Hamilton-Temple-Blackwood (25 Mar 1945-29 May 1988)

Baron Clanehugh, co. Longford    [Ireland, 1675]
  1st: Arthur Forbes (22 Nov 1675-1695)
  2nd: Arthur Forbes (1695-24 Aug 1734)
  3rd: George Forbes (24 Aug 1734-29 Oct 1765)
  4th: George Forbes (4 Oct 1765-16 Oct 1769)
  5th: George Forbes (16 Oct 1769-16 Apr 1780)
  6th: George Forbes (16 Apr 1780-9 Jun 1837)
  7th: George Arthur Hastings Forbes (9 Jun 1837-25 Aug 1889)
  8th: Bernard Arthur William Patrick Hastings Forbes (25 Aug 1889-10 Sep 1948)
  9th: Arthur Patrick Hastings Forbes (10 Sep 1948-21 Nov 1992)
10th: Peter Arthur Edward Hastings Forbes (21 Nov 1992- )

Baron Clanmorris of Newbrook, co. Mayo    [Ireland, 1800]
  1st: John Bingham (31 Jul 1800-18 May 1821)
  2nd: Charles Barry Bingham (18 May 1821-3 Jun 1829)
  3rd: Denis Arthur Bingham (3 Jun 1829-24 Feb 1847)
  4th: John Charles Robert Bingham (24 Feb 1847-5 Apr 1876)
  5th: John George Barry Bingham (5 Apr 1876-4 Nov 1916)
  6th: Arthur Maurice Robert Bingham (4 Nov 1916-24 Jun 1960)
  7th: John Michael Ward Bingham (24 Jun 1960-6 Aug 1988)
  8th: Simon John Ward Bingham (6 Aug 1988- )

Baron Clanwilliam, of co. Tipperary    [United Kingdom, 1828]
  1st: Richard Charles Francis Christian Meade (28 Jan 1828-7 Oct 1879)
  2nd: Richard James Meade (7 Oct 1879-4 Aug 1907)
  3rd: Arthur Vesey Meade (4 Aug 1907-23 Jan 1953)
  4th: John Charles Edmund Carson Meade (23 Jan 1953-30 Mar 1989)
  5th: John Herbert Meade (30 Mar 1989-24 Dec 2009)
  8th: Patrick James Meade (24 Dec 2009- )

Baron Clarina of Elm Park, co. Limerick    [Ireland, 1800]
  1st: Eyre Massey (28 Dec 1800-17 May 1804)
  2nd: Nathaniel William Massey (17 Mar 1804-26 Jan 1810)
  3rd: Eyre Massey (Jan 1810-18 Nov 1872)
  4th: Eyre Challoner Henry Massey (18 Nov 1872-16 Dec 1897)
  5th: Lionel Edward Massey (16 Dec 1897-13 Oct 1922)
  6th: Eyre Nathaniel Massey (13 Oct 1922-4 Nov 1952)

Baron Clauson, of Hawkshead, co. Hertford    [United Kingdom, 1942]
  1st: Albert Charles Clauson (20 Feb 1942-15 Mar 1946)

Baron Clements of Kilmacrenan, co. Donegal    [United Kingdom, 1831]
  1st: Nathaniel Clements (20 Jun 1831-31 Dec 1854)
  2nd: William Sydney Clements (31 Dec 1854-2 Apr 1871)
  3rd: Robert Bermingham Clements (2 Apr 1878-5 Apr 1892)
  4th: Charles Clements (5 Apr 1892-9 Jun 1952)

Baron Clermont, of Clermont, co. Louth    [Ireland, 1770]
  1st: William Henry Fortescue (26 May 1770-30 Sep 1806)

Baron Clermont, of Clermont, co. Louth    [Ireland, 1776]
  1st: William Henry Fortescue (23 Jul 1776-30 Sep 1806) with special remainder to his brother, James Fortescue
  2nd: William Charles Fortescue (30 Sep 1806-24 Jun 1829)

Baron Clermont of Clermont Park, co. Louth    [United Kingdom, 1866]
  1st: Thomas Fortescue (2 May 1866-29 Jul 1887)

Baron Clermont of Dromisken, co. Louth    [Ireland, 1852]
  1st: Thomas Fortescue (11 Feb 1852-29 Jul 1887) with a special remainder to his brother
  2nd: Chichester Samuel Parkinson-Fortescue (29 Jul 1887-30 Jan 1898)

Lord Clifden, Baron of Gowran, co. Kilkenny    [Ireland, 1776]
  1st: James Agar (27 Jul 1776-1 Jan 1789)
  2nd: Henry Welbore Ellis (1 Jan 1789-13 Jul 1836)
  3rd: Henry Agar-Ellis (13 Jul 1836-20 Feb 1866)
  4th: Henry George Agar (20 Feb 1866-28 Mar 1895)
  5th: Leopold George Frederick Agar-Ellis (28 Mar 1895-10 Sep 1899)
  6th: Thomas Charles Reginald Agar-Robartes (10 Sep 1899-19 Jul 1930)
  7th: Francis Gerald Agar-Robartes (19 Jul 1930-15 Jul 1966)
  8th: Arthur Victor Agar-Robartes (15 Jul 1966-22 Dec 1974)

Baron Clifford of Chudleigh, co. Devon    [England, 1672]
  1st: Thomas Clifford (22 Apr 1672-17 Oct 1673)
  2nd: Hugh Clifford (17 Oct 1673-12 Oct 1730)
  3rd: Hugh Clifford (12 Oct 1730-26 Mar 1732)
  4th: Hugh Clifford (26 Mar 1732-1 Sep 1783)
  5th: Hugh Edward Henry Clifford (1 Sep 1783-17 Jan 1793)
  6th: Charles Clifford (15 Jan 1793-29 Apr 1831)
  7th: Hugh Charles Clifford (29 Apr 1831-28 Feb 1858)
  8th: Charles Hugh Clifford (28 Feb 1858-5 Aug 1880)
  9th: Lewis Henry Hugh Clifford (5 Aug 1880-19 Jul 1916)
10th: William Hugh Clifford (19 Jul 1916-5 Jul 1943)
11th: Charles Oswald Hugh Clifford (5 Jul 1943-1 Feb 1962)
12th: Lewis Joseph Hugh Clifford (1 Feb 1962-27 Aug 1964)
13th: Lewis Hugh Clifford (27 Aug 1964-17 Mar 1988)
14th: Thomas Hugh Clifford (17 Mar 1988- )

Baron Clifford of Lanesborough, co. York    [England, 1644]
  1st: Richard Boyle (4 Nov 1644-15 Jan 1698)
  2nd: Charles Boyle (10 Aug 1689-12 Oct 1694) after taking his father's place in the House of Lords
  3rd: Charles Boyle (20 Nov 1694-9 Feb 1704)
  4th: Richard Boyle (9 Feb 1704-3 Dec 1753)

Baron Clifton of Rathmore, co. Meath    [Ireland, 1721]
  1st: John Bligh (14 Sep 1721-12 Sep 1728)
  2nd: Edward Bligh (12 Sep 1728-22 Jul 1747)
  3rd: John Bligh (22 Jul 1747-31 Jul 1781)
  4th: John Bligh (31 Jul 1781-17 Mar 1831)
  5th: Edward Bligh (17 Mar 1831-12 Feb 1835)
  6th: John Stuart Bligh (12 Feb 1835-14 Dec 1896)
  7th: Edward Henry Stuart Bligh (14 Dec 1896-31 Oct 1900)
  8th: Ivo Francis Walter Bligh (31 Oct 1900-10 Apr 1927)
  9th: Esme Ivo Bligh (10 Apr 1927-29 May 1955)
10th: Peter Stuart Bligh (29 May 1955-15 Jun 1980)
11th: Adam Ivo Stuart Bligh (15 Jun 1980-18 Jun 2017)
12th: Ivo Donald Bligh (18 Jun 2017- )

Baron Clitheroe, of Downham, co. Lancaster    [United Kingdom, 1955]
  1st: Ralph Assheton (20 Jun 1955-1984)
  2nd: Ralph John Assheton (1984- )

Baron Clive of Plassey, co. Clare    [Ireland, 1762]
  1st: Robert Clive (15 Mar 1762-22 Nov 1774)
  2nd: Edward Clive (22 Nov 1774-16 May 1839)
  3rd: Edward Herbert (16 May 1839-17 Jan 1848)
  4th: Edward James Herbert (17 Jan 1848-7 May 1891)
  5th: George Charles Herbert (7 May 1891-9 Nov 1952)
  6th: Edward Robert Henry Herbert (9 Nov 1952-15 Jan 1974)
  7th: Christian Victor Charles Herbert (15 Jan 1974-Oct 1988)
  8th: George William Herbert (1988-13 Aug 1993)
  9th: John George Herbert (13 Aug 1993- )

Baron Clive of Walcot, co. Shropshire    [Great Britain, 1794]
  1st: Edward Clive (13 Aug 1794-16 May 1839)
  2nd: Edward Herbert (16 May 1839-17 Jan 1848)
  3rd: Edward James Herbert (17 Jan 1848-7 May 1891)
  4th: George Charles Herbert (7 May 1891-9 Nov 1952)
  5th: Edward Robert Henry Herbert (9 Nov 1952-15 Jan 1974)
  6th: Christian Victor Charles Herbert (15 Jan 1974-Oct 1988)
  7th: George William Herbert (1988-13 Aug 1993)
  8th: John George Herbert (13 Aug 1993- )

Baron Clonbrock, of Clonbrock, co. Galway    [Ireland, 1790]
  1st: Robert Dillon (5 Jun 1790-22 Jul 1795)
  2nd: Luke Dillon (22 Jul 1795-13 Dec 1826)
  3rd: Robert Dillon (13 Dec 1826-4 Dec 1893)
  4th: Luke Gerald Dillon (4 Dec 1893-13 May 1917)
  5th: Robert Edward Dillon (12 May 1917-1 Nov 1926)

Baron Cloncurry, of Cloncurry, co. Kildare    [Ireland, 1789]
  1st: Nicholas Lawless (29 Sep 1789-28 Aug 1799)
  2nd: Valentine Browne Lawless (28 Aug 1799-28 Oct 1853)
  3rd: Edward Lawless (28 Oct 1853-4 Apr 1869)
  4th: Valentine Lawless (4 Apr 1869-12 Feb 1928)
  5th: Frederick Lawless (12 Feb 1928-18 Jul 1929)

Baron Cloncurry, of Cloncurry, co. Kildare    [United Kingdom, 1831]
  1st: Valentine Browne Lawless (14 Sep 1831-28 Oct 1853)
  2nd: Edward Lawless (28 Oct 1853-4 Apr 1869)
  3rd: Valentine Lawless (4 Apr 1869-12 Feb 1928)
  4th: Frederick Lawless (12 Feb 1928-18 Jul 1929)

Baron of Cloney    [Ireland, 1675]
  1st: William Ducie (19 Jul 1675-9 Sep 1679)

Baron Clonmore, of Clonmore Castle, co. Carlow    [Ireland, 1776]
  1st: Ralph Howard (21 Jul 1776-26 Jun 1789)
  2nd: Robert Howard (26 Jun 1789-23 Oct 1815)
  3rd: William Howard (26 Jun 1789-27 Sep 1818)
  4th: William Howard (27 Sep 1818-22 Mar 1869)
  5th: Charles Francis Arnold Howard (22 Mar 1869-20 Jun 1881)
  6th: Cecil Ralph Howard (20 Jun 1881-24 Jul 1891)
  7th: Ralph Francis Forward-Howard (24 Jul 1891-11 Oct 1946)
  8th: William Cecil James Philip John Paul Howard (11 Oct 1946-8 Feb 1978)

Baron Clwyd, of Abergele, co. Denbigh    [United Kingdom, 1919]
  1st: John Herbert Roberts (19 May 1919-19 Dec 1955)
  2nd: John Trevor Roberts Roberts (19 Dec 1955-1987)
  3rd: John Anthony Roberts (1987-10 Oct 2006)
  4th: John Murray Roberts (10 Oct 2006- )

Baron Clydesmuir, of Braidwood, co. Lanark    [United Kingdom, 1948]
  1st: David John Colville (5 May 1948-31 Oct 1954)
  2nd: Ronald John Bilsland Colville (31 Oct 1954-2 Oct 1996)
  3rd: David Ronald Colville (2 Oct 1996- )

Baron Cobbold, of Knebworth, co. Hertford    [United Kingdom, 1960]
  1st: Cameron Fromanteel Cobbold (23 Nov 1960-1987)
  2nd: David Antony Fromanteel Lytton Cobbold (1987-9 May 2022)
  3rd: Henry Fromanteel Lytton Cobbold (9 May 2022- )

Lord Cobham    [England, 1313]
12th: William Brooke (1619-20 Sep 1643) although the barony was still subject to the attainder of his uncle, the 11th Lord

Baron Cobham    [England, 1645]
  1st: John Brooke (3 Jan 1645-c May 1660)

Baron of Cobham    [England, 1666]
  1st: Charles Stuart (28 May 1666-12 Dec 1672)

Baron Cobham, of Cobham, co. Kent    [Great Britain, 1714]
  1st: Richard Temple (19 Oct 1714-13 Sep 1749)

Baron Cobham, of Cobham, co. Kent    [Great Britain, 1718]
  1st: Richard Temple (23 May 1718-13 Sep 1749) with a special remainder to his sisters, Hester and Christian
  2nd: Hester Temple (13 Sep 1749-6 Oct 1752)
  3rd: Richard Grenville-Temple (6 Oct 1752-11 Sep 1779)
  4th: George Nugent-Temple-Grenville (11 Sep 1779-11 Feb 1813)
  5th: Richard Temple-Nugent-Brydges-Chandos-Grenville (11 Feb 1813-17 Jan 1839)
  6th: Richard Plantagenet Temple-Nugent-Brydges-Chandos-Grenville (17 Jan 1839-29 Jul 1861)
  7th: Richard Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville (29 Jul 1861-26 Mar 1889)
  8th: Charles George Lyttelton (26 Mar 1889-9 Jun 1922)
  9th: John Cavendish Lyttelton (9 Jun 1922-31 Jul 1949)
10th: Charles John Lyttelton (31 Jul 1949-20 Mar 1977)
11th: John William Leonard Lyttelton (20 Mar 1977-13 Jul 2006)
12th: Christopher Charles Lyttelton (13 Jul 2006- )

Baron Cochrane of Cults, of Crawford Priory, co. Fife    [United Kingdom, 1919]
  1st: Thomas Horatio Arthur Ernest Cochrane (16 May 1919-17 Jan 1951)
  2nd: Thomas George Frederick Cochrane (17 Jan 1951-8 Dec 1968)
  3rd: Thomas Charles Anthony Cochrane (8 Dec 1968-1990)
  4th: Ralph Henry Vere Cochrane (1990-11 Sep 2017)
  5th: Thomas Hunter Vere Cochrane (11 Sep 2017- )

Lord Cochrane of Dundonald    [Scotland, 1647]
  1st: William Cochrane (26 Dec 1647-1685)
  2nd: John Cochrane (1685-16 May 1690)
  3rd: William Cochrane (17 May 1690-22 Nov 1705)
  4th: John Campbell Cochrane (22 Nov 1705-5 Jun 1720)
  5th: William Cochrane (5 Jun 1720-27 Jan 1725)
  6th: Thomas Cochrane (27 Jan 1725-29 May 1737)
  7th: William Cochrane (28 May 1737-9 Jul 1758)
  8th: Thomas Cochrane (9 Jul 1758-27 Jun 1778)
  9th: Archibald Cochrane (27 Jun 1778-1 Jul 1831)
10th: Thomas Cochrane (1 Jul 1831-31 Oct 1860)
11th: Thomas Barnes Cochrane (31 Oct 1860-15 Jan 1885)
12th: Douglas Mackinnon Baillie Hamilton Cochrane (15 Jan 1885-12 Apr 1935)
13th: Thomas Hesketh Douglas Blair Cochrane (12 Apr 1935-23 May 1958)
14th: Ian Douglas Leonard Cochrane (23 May 1958-4 Oct 1986)
15th: Iain Alexander Douglas Blair Cochrane (4 Oct 1986- )

Lord Cochrane of Paseley and Ochiltrie    [Scotland, 1669]
  1st: William Cochrane (12 May 1669-1685) with special remainder to his heirs female of his body, and their heirs male who bear or assume the name and arms of Cochrane
  2nd: John Cochrane (1685-16 May 1690)
  3rd: William Cochrane (17 May 1690-22 Nov 1705)
  4th: John Campbell Cochrane (22 Nov 1705-5 Jun 1720)
  5th: William Cochrane (5 Jun 1720-27 Jan 1725)
  6th: Thomas Cochrane (27 Jan 1725-29 May 1737)
  7th: William Cochrane (28 May 1737-9 Jul 1758)
  8th: Thomas Cochrane (9 Jul 1758-27 Jun 1778)
  9th: Archibald Cochrane (27 Jun 1778-1 Jul 1831)
10th: Thomas Cochrane (1 Jul 1831-31 Oct 1860)
11th: Thomas Barnes Cochrane (31 Oct 1860-15 Jan 1885)
12th: Douglas Mackinnon Baillie Hamilton Cochrane (15 Jan 1885-12 Apr 1935)
13th: Thomas Hesketh Douglas Blair Cochrane (12 Apr 1935-23 May 1958)
14th: Ian Douglas Leonard Cochrane (23 May 1958-4 Oct 1986)
15th: Iain Alexander Douglas Blair Cochrane (4 Oct 1986- )

Baron Cockermouth, co. Cumberland    [Great Britain, 1749]
  1st: Algernon Seymour (3 Oct 1749-7 Feb 1750) with a special remainder to his nephews, Sir Charles Wyndham, 4th Bt and Percy Wyndham
  2nd: Charles Wyndham (7 Feb 1750-21 Aug 1763)
  3rd: George O'Brien Wyndham (21 Aug 1763-11 Nov 1837)
  4th: George Francis Wyndham (11 Nov 1837-2 Apr 1845)

Baron Cohen of Birkenhead, of Birkenhead, co. Palataine of Chester    [United Kingdom, 1956]
  1st: Henry Cohen (16 Jun 1956-7 Aug 1977)

Baron Colborne of West Harling, co. Norfolk    [United Kingdom, 1839]
  1st: Nicholas William Ridley-Colborne (15 May 1839-3 May 1854)

Baron Colchester of Colchester, co. Essex    [United Kingdom, 1817]
  1st: Charles Abbot (3 Jun 1817-8 May 1829)
  2nd: Charles Abbot (8 May 1829-18 Oct 1867)
  3rd: Reginald Charles Edward Abbot (18 Oct 1867-26 Feb 1919)

Baron Colebrooke, of Stebunheath, co. Middlesex    [United Kingdom, 1906]
  1st: Edward Arthur Colebrooke (20 Feb 1906-28 Feb 1939)

Lord Colepeper, Baron of Thoresway, co. Lincoln    [England, 1644]
  1st: John Colepeper (21 Oct 1644-Jul 1660)
  2nd: Thomas Colepeper (Jul 1660-1688)
  3rd: John Colepeper (1688-1719)
  4th: Cheney Colepeper (1719-1725)

Baron Coleraine, of Coleraine, co. Londonderry    [Ireland, 1762]
  1st: Gabriel Hanger (26 Feb 1762-27 Jan 1773)

Baron Coleraine, of Haltemprice, East Riding, co. Yorks    [United Kingdom, 1954]
  1st: Richard Kidston Law (16 Feb 1954-1980)
  2nd: James Martin Bonar Law (1980-4 Oct 2020)
  3rd: James Peter Bonar Law (4 Oct 2020- )

Baron Coleridge of Ottery St. Mary, co. Devon    [United Kingdom, 1874]
  1st: John Duke Coleridge (10 Jan 1874-14 Jun 1894)
  2nd: Bernard John Seymour Coleridge (14 Jun 1894-24 Sep 1927)
  3rd: Geoffrey Duke Coleridge (24 Sep 1927-27 Mar 1955)
  4th: Richard Duke Coleridge (27 Mar 1955-20 May 1984)
  5th: William Duke Coleridge (1984- )

Baron Colgrain, of Everlands, co. Kent    [United Kingdom, 1946]
  1st: Colin Frederick Campbell (28 Jan 1946-3 Nov 1954)
  2nd: Donald Swinton Campbell (3 Nov 1954-20 Oct 1973)
  3rd: David Colin Campbell (20 Oct 1973-7 Feb 2008)
  4th: Alastair Colin Leckie Campbell (7 Feb 2008- )

Baron Colonsay of Colonsay and Oronsay, Argyll    [United Kingdom, 1867]
  1st: Duncan McNeill (26 Feb 1867-31 Jan 1874)

Baron Colville, of Culross, co. Perth    [United Kingdom, 1885]
  1st: Charles John Colville (31 Dec 1885-1 Jul 1903)
  2nd: Charles Robert William Colville (1 Jul 1903-25 Mar 1928)
  3rd: Charles Alexander Colville (25 Mar 1928-14 Mar 1945)
  4th: John Mark Alexander Colville (14 Mar 1945-8 Apr 2010)
  5th: Charles Mark Townshend Colville (8 Apr 2010- )

Lord Colville of Culross    [Scotland, 1604]
  1st: James Colville (24 Apr 1604-Sep 1629)
  2nd: James Colville (Sep 1629-1654)
  3rd: William Colville (1654-12 Apr 1656)
  4th: John Colville (12 Apr 1656-a 1678)
  5th: Alexander Colville (a 1678-9 Aug 1717) de jure
  6th: John Colville (27 May 1723-20 Apr 1741) after his claim to the title was allowed
  7th: Alexander Colville (20 Apr 1741-21 May 1770)
  8th: John Colville (21 May 1770-8 Mar 1811)
  9th: John Colville (8 Mar 1811-22 Oct 1849)
10th: Charles John Colville (22 Oct 1849-1 Jul 1903)
11th: Charles Robert William Colville (1 Jul 1903-25 Mar 1928)
12th: Charles Alexander Colville (25 Mar 1928-14 Mar 1945)
13th: John Mark Alexander Colville (14 Mar 1945-8 Apr 2010)
14th: Charles Mark Townshend Colville (8 Apr 2010- )

Baron Colwyn, of Colwyn Bay, co. Denbigh    [United Kingdom, 1917]
  1st: Frederick Henry Smith (22 Jun 1917-26 Jan 1946)
  2nd: Frederick John Vivian Smith (26 Jan 1946-29 May 1966)
  3rd: Ian Anthony Hamilton-Smith (29 May 1966-4 Aug 2024)
  4th: Craig Peter Hamilton-Smith (4 Aug 2024- )

Baron Colyton, of Farway, co. Devon and Taunton, Somerset    [United Kingdom, 1956]
  1st: Henry Lennox D'Aubigne Hopkinson (19 Jan 1956-6 Jan 1996)
  2nd: Alisdair John Munro Hopkinson (6 Jan 1996- )

Baron Combermere, of Combermere, co. Chester    [United Kingdom, 1814]
  1st: Stapleton Stapleton-Cotton (17 May 1814-21 Feb 1865)
  2nd: Wellington Henry Stapleton-Cotton (21 Feb 1865-1 Dec 1891)
  3rd: Robert Wellington Stapleton-Cotton (1 Dec 1891-20 Feb 1898)
  4th: Francis Lynch Wellington Stapleton-Cotton (20 Feb 1898-8 Feb 1969)
  5th: Michael Wellington Stapleton-Cotton (8 Feb 1969-3 Nov 2000)
  6th: Thomas Robert Wellington Stapleton-Cotton (3 Nov 2000- )

Baron Conesford, of Chelsea, co. London    [United Kingdom, 1955]
  1st: Henry George Strauss (12 May 1955-28 Aug 1974)

Baron Congleton, of Congleton, co. Chester    [United Kingdom, 1841]
  1st: Henry Brooke Parnell (18 Aug 1841-8 Jun 1842)
  2nd: John Vesey Parnell (8 Jun 1842-23 Oct 1883)
  3rd: Henry William Parnell (23 Oct 1883-10 Oct 1890)
  4th: Henry Parnell (10 Oct 1890-12 Nov 1906)
  5th: Henry Bligh Fortescue Parnell (12 Nov 1906-10 Nov 1914)
  6th: John Brooke Molesworth Parnell (10 Nov 1914-21 Dec 1932)
  7th: William Jared Parnell (21 Dec 1932-12 Oct 1967)
  8th: Christopher Patrick Parnell (12 Oct 1967-11 Dec 2015)
  9th: John Patrick Christian Parnell (11 Dec 2015- )

Baron Connemara, of Connemara, co. Galway    [United Kingdom, 1887]
  1st: Robert Bourke (12 May 1887-3 Sep 1902)

Baron Conway and Killultagh, co. Antrim    [Ireland, 1712]
  1st: Francis Seymour-Conway (16 Oct 1712-3 Feb 1732)
  2nd: Francis Seymour-Conway (3 Feb 1732-14 Jun 1794)
  3rd: Francis Seymour-Ingram (14 Jun 1794-28 Jun 1822)
  4th: Francis Charles Seymour-Conway (17 Jun 1822-1 Mar 1842)
  5th: Richard Seymour-Conway (1 Mar 1842-25 Aug 1870)
  6th: Francis George Hugh Seymour (25 Aug 1870-25 Jan 1884)
  7th: Hugh de Grey Seymour (25 Jan 1884-23 Mar 1912)
  8th: George Francis Alexander Seymour (23 Mar 1912-16 Feb 1940)
  9th: Hugh Edward Conway Seymour (18 Jun 1939-22 Dec 1997)
10th: Henry Jocelyn Seymour (22 Dec 1997- )

Baron Conway of Allington, co. Kent    [United Kingdom, 1931]
  1st: William Martin Conway (7 Dec 1931-19 Apr 1937)

Baron Conway of Ragley, co. Warwick    [Great Britain, 1703]
  1st: Francis Seymour-Conway (17 Mar 1703-3 Feb 1732)
  2nd: Francis Seymour-Conway (3 Feb 1732-14 Jun 1794)
  3rd: Francis Seymour-Ingram (14 Jun 1794-28 Jun 1822)
  4th: Francis Charles Seymour-Conway (17 Jun 1822-1 Mar 1842)
  5th: Richard Seymour-Conway (1 Mar 1842-25 Aug 1870)
  6th: Francis George Hugh Seymour (25 Aug 1870-25 Jan 1884)
  7th: Hugh de Grey Seymour (25 Jan 1884-23 Mar 1912)
  8th: George Francis Alexander Seymour (23 Mar 1912-16 Feb 1940)
  9th: Hugh Edward Conway Seymour (18 Jun 1939-22 Dec 1997)
10th: Henry Jocelyn Seymour (22 Dec 1997- )

Baron Conyngham of Mount Charles, co. Donegal    [Ireland, 1753]
  1st: Henry Conyngham (3 Oct 1753-3 Apr 1781)

Baron Conyngham of Mount Charles, co. Donegal    [Ireland, 1781]
  1st: Henry Conyngham (4 Jan 1781-3 Apr 1781) with a special remainder to his nephew, Francis Pierpoint Burton
  2nd: Francis Pierpoint Conyngham (3 Apr 1781-22 May 1787)
  3rd: Henry Conyngham (22 May 1787-28 Dec 1832)
  4th: Francis Nathaniel Conyngham (11 Oct 1861-17 Jul 1876)
  5th: George Henry Conyngham (17 Jul 1876-2 Jun 1882)
  6th: Henry Francis Conyngham (2 Jun 1882-28 Aug 1897)
  7th: Victor George Henry Francis Conyngham (28 Aug 1897-9 Nov 1918)
  8th: Frederick William Burton Conyngham (9 Nov 1918-1 Apr 1974)
  9th: Frederick William Henry Francis Conyngham (1 Apr 1974-3 Mar 2009)
10th: Henry Vivien Pierpont Conyngham (3 Mar 2009- )

Baron Cooper of Culross, of Dunnet, co. Caithness    [United Kingdom, 1954]
  1st: Thomas Mackay Cooper (31 Jul 1954-15 Jul 1955)

Baron Cooper of Pawlett, co. Somerset    [England, 1661]
  2nd: Anthony Ashley-Cooper (21 Jan 1683-10 Nov 1699)
  3rd: Anthony Ashley-Cooper (10 Nov 1699-15 Feb 1713)
  4th: Anthony Ashley-Cooper (15 Feb 1713-27 May 1771)
  5th: Anthony Ashley-Cooper (27 May 1771-14 May 1811)
  6th: Cropley Ashley-Cooper (14 May 1811-2 Jun 1851)
  7th: Anthony Ashley-Cooper (2 Jun 1851-1 Oct 1885)
  8th: Anthony Ashley-Cooper (1 Oct 1885-13 Apr 1886)

Baron Cooper of Pawlett, co. Somerset    [England, 1672]
  9th: Anthony Ashley-Cooper (13 Apr 1886-25 Mar 1961)
10th: Anthony Ashley-Cooper (25 Mar 1961-Nov 2004)
11th: Anthony Nils Christian Ashley-Cooper (Nov 2004-15 May 2005)
12th: Nicholas Edmund Anthony Ashley-Cooper (15 May 2005- )

Lord Coote, Baron of Coloony, co. Sligo    [Ireland, 1660]
  1st: Richard Coote (6 Sep 1660-10 Jul 1683)
  2nd: Richard Coote (10 Jul 1683-5 Mar 1701)
  3rd: Nanfan Coote (5 Mar 1701-14 Jun 1708)
  4th: Richard Coote (14 Jun 1708-10 Feb 1766)
  5th: Charles Coote (10 Feb 1776-20 Oct 1800)

Baron Coote of Castle Cuffe, in Queen's Co.    [Ireland, 1660]
  1st: Charles Coote (6 Sep 1660-18 Dec 1661)
  2nd: Charles Coote (18 Dec 1661-30 Aug 1672)
  3rd: Charles Coote (30 Aug 1672-May 1709)
  4th: Charles Coote (May 1709-14 Sep 1715)
  5th: Harry Coote (14 Sep 1715-27 Mar 1720)
  6th: Algernon Coote (27 Mar 1720-27 Aug 1744)
  8th: Charles Henry Coote (27 Aug 1744-2 Mar 1802)

Baron Cope, of St. Mellons, co. Monmouth    [United Kingdom, 1945]
  1st: William Cope (14 Jul 1945-15 Jul 1946)

Baron Cornwallis, of Linton, co. Kent    [United Kingdom, 1927]
  1st: Fiennes Stanley Wykeham Cornwallis (31 Jan 1927-26 Sep 1935)
  2nd: Wykeham Stanley Cornwallis (26 Sep 1935-4 Jan 1982)
  3rd: Fiennes Neil Wykeham Cornwallis (4 Jan 1982-5 Mar 2010)
  4th: Fiennes Wykeham Jeremy Cornwallis (6 Mar 2010- )

Baron Cornwallis of Eye, Suffolk    [England, 1661]
  1st: Frederick Cornwallis (20 Apr 1661-31 Jan 1662)
  2nd: Charles Cornwallis (Jan 1662-13 Apr 1673)
  3rd: Charles Cornwallis (13 Apr 1673-29 Apr 1698)
  4th: Charles Cornwallis (29 Apr 1693-20 Jan 1722)
  5th: Charles Cornwallis (20 Jan 1722-23 Jun 1762)
  6th: Charles Cornwallis (23 Jun 1762-5 Oct 1805)
  7th: Charles Cornwallis (5 Oct 1805-9 Aug 1823)
  8th: James Cornwallis (9 Aug 1823-20 Jan 1824)
  9th: James Mann (20 Jan 1824-21 May 1852)

Baron Cottenham, of Cottenham, co. Cambridge    [United Kingdom, 1836]
  1st: Charles Christopher Pepys (20 Jan 1836-29 Apr 1851)
  2nd: Charles Edward Pepys (29 Apr 1851-18 Feb 1863)
  3rd: William John Pepys (18 Feb 1863-20 Jan 1881)
  4th: Kenelm Charles Edward Pepys (20 Jan 1881-22 Apr 1919)
  5th: Kenelm Charles Francis Pepys (22 Apr 1919-29 Dec 1922)
  6th: Mark Everard Pepys (29 Dec 1922-19 Jul 1943)
  7th: John Digby Thomas Pepys (19 Jul 1943-12 May 1968)
  8th: Kenelm Charles Everard Digby Pepys (12 May 1968-20 Oct 2000)
  9th: Mark John Henry Pepys (20 Oct 2000- )

Baron Cottesloe, of Swanbourne and Hardwick, co. Buckingham    [United Kingdom, 1874]
  1st: Thomas Francis Fremantle (2 Mar 1874-3 Dec 1890)
  2nd: Thomas Francis Fremantle (3 Dec 1890-13 Apr 1918)
  3rd: Thomas Francis Fremantle (13 Apr 1918-19 Jul 1956)
  4th: John Walgrave Halford Fremantle (19 Jul 1956-22 Apr 1994)
  5th: John Tapling Fremantle (1994-21 May 2018)
  6th: Thomas Francis Henry Fremantle (21 May 2018- )

Baron Cottington, of Hanworth, Middlesex    [England, 1631]
  1st: Francis Cottington (10 Jul 1631-19 Jun 1652)

Lord Coupar    [Scotland, 1607]
  1st: James Elphinstone (20 Dec 1607-Jan 1669) with remainder to his male heirs, and failing that, to his father's male heirs
  2nd: John Elphinstone (Jan 1669-10 Jun 1704)
  3rd: John Elphinstone (10 Jun 1704-13 May 1736)
  4th: James Elphinstone (13 May 1736-5 Jan 1746)
  5th: Arthur Elphinstone (5 Jan 1746-18 Aug 1746)

Lord Courcy of Kinsale    [Ireland, 1340]
  1st: Miles fitz Miles Courcy (c 1340-a Oct 1363) also known as ‘Lord of Ringrone and Kinsale'
  2nd: John fitz Miles Courcy (a Oct 1363-b 1393) although he was 3rd in remainder under the 1st Lord's entail
  3rd: William Courcy (b 1393-a 2 Apr 1399)
  4th: Patrick Courcy (a 1399-a 27 Nov 1419)
  5th: Nicholas Courcy (a Nov 1419-1474)
  6th: James Courcy (1474-1499)
  7th: Edmund Courcy (1499- )
  8th: David Courcy (c 1500- ) after displacing his idiot nephew
  9th: John Courcy ( -1535)
10th: Gerald Courcy (1535-fr 1599-1599)
11th: John Courcy (Aug 1599-25 Jul 1628)
12th: Gerald Courcy (25 Jul 1628-c 1642) the usuage of the title Lord Kingsale became common

Baron Courtauld-Thomson, of Dorneywood, co. Buckingham    [United Kingdom, 1944]
  1st: Courtauld Greenwood Courtauld-Thomson (1 Feb 1944-1 Nov 1954)

Baron Courthope, of Whiligh, co. Sussex    [United Kingdom, 1945]
  1st: George Loyd Courthope (3 Jul 1945-2 Sep 1955)

Baron Courtney of Penwith    [United Kingdom, 1906]
  1st: Leonard Henry Courtney (14 Jul 1906-11 May 1918)

Baron Courtown, co. Wexford    [Ireland, 1758]
  1st: James Stopford (19 Sep 1758-12 Jan 1770)
  2nd: James Stopford (8 Sep 1788-30 Mar 1810)
  3rd: James George Stopford (30 Mar 1810-15 Jun 1835)
  4th: James Thomas Stopford (15 Jun 1835-20 Nov 1858)
  5th: James George Henry Stopford (20 Nov 1858-28 Nov 1914)
  6th: James Walter Milles Stopford (28 Nov 1914-18 Jul 1933)
  7th: James Richard Neville Stopford (18 Jul 1933-25 Jan 1957)
  8th: James Montagu Burgoyne Stopford (25 Jan 1957-23 Jul 1975)
  9th: James Patrick Montagu Burgoyne Winthrop Stopford (23 Jul 1975- )

Baron Coventry of Aylesborough, co. Worcester    [England, 1628]
  1st: Thomas Coventry (10 Apr 1628-14 Jan 1640)
  2nd: Thomas Coventry (14 Jan 1640-27 Oct 1661)
  3rd: George Coventry (27 Oct 1661-15 Dec 1680)
  4th: John Coventry (15 Dec 1680-25 Jul 1687)
  5th: Thomas Coventry (25 Jul 1687-15 Jul 1699)
  6th: Thomas Coventry (15 Jul 1699-Aug 1710)
  7th: Gilbert Coventry (28 Jan 1712-27 Oct 1719)
  7th: Thomas Coventry (Aug 1710-28 Jan 1712)

Baron Cowdray, of Midhurst, co. Sussex    [United Kingdom, 1910]
  1st: Weetman Dickinson Pearson (16 Jul 1910-1 May 1927)
  2nd: Weetman Harold Miller Pearson (1 May 1927-5 Oct 1933)
  3rd: Weetman John Churchill Pearson (5 Oct 1933-19 Jan 1995)
  5th: Michael Orlando Weetman Pearson (19 Jan 1995- )

Baron Cowley of Wellesley, co. Somerset    [United Kingdom, 1828]
  1st: Henry Wellesley (21 Jan 1828-27 Apr 1847)
  2nd: Henry Richard Charles Wellesley (27 Apr 1847-15 Jul 1884)
  3rd: William Henry Wellesley (15 Jul 1884-28 Feb 1895)
  4th: Henry Arthur Mornington Wellesley (28 Feb 1895-15 Jan 1919)
  5th: Christian Arthur Wellesley (15 Jan 1919-29 Aug 1962)
  6th: Denis Arthur Wellesley (29 Aug 1962-23 Mar 1968)
  7th: Richard Francis Wellesley (23 Mar 1968-13 Dec 1975)
  8th: Garret Graham Wellesley (13 Dec 1975-17 Jun 2016)
  9th: Garret Graham Wellesley (17 Jun 2016- )

Baron Cowper, of Wingham, co. Kent    [England, 1706]
  1st: William Cowper (14 Dec 1706-10 Oct 1723)
  2nd: William Clavering-Cowper (19 Oct 1723-18 Sep 1764)
  3rd: George Nassau Clavering-Cowper (18 Dec 1764-22 Dec 1789)
  4th: George Augustus Clavering-Cowper (22 Dec 1789-12 Feb 1799)
  5th: Peter Leopold Louis Francis Nassau Cowper (12 Feb 1799-21 Jun 1837)
  6th: George Augustus Frederick Cowper (21 Jun 1837-15 Apr 1856)
  7th: Francis Thomas de Grey Cowper (15 Apr 1856-18 Jul 1905)

Baron Cozens-Hardy, of Letheringsett, co. Norfolk    [United Kingdom, 1914]
  1st: Herbert Hardy Cozens-Hardy (1 Jul 1914-18 Jun 1920)
  2nd: William Cozens-Hardy (18 Jun 1920-25 May 1924)
  3rd: Edward Herbert Cozens-Hardy (25 May 1924-22 Oct 1956)
  4th: Herbert Arthur Cozens-Hardy (22 Oct 1956-1975)

Baron Craigmyle, of Craigmyle, co. Aberdeen    [United Kingdom, 1929]
  1st: Thomas Shaw (7 May 1929-28 Jun 1937)
  2nd: Alexander Shaw (28 Jun 1937-29 Sep 1944)
  3rd: Thomas Donald Mackay Shaw (29 Sep 1944-30 Apr 1998)
  4th: Thomas Columba Shaw (30 Apr 1998- )

Baroness of Cramond    [Scotland, 1628]
  1st: Elizabeth Beaumont (29 Feb 1628-c Mar 1651) with remainder to the son of her second husband by a former wife

Baron Cranfield, of Cranfield, co. Bedford    [England, 1675]
  1st: Charles Sackville (4 Apr 1675-29 Jan 1706)
  2nd: Lionel Cranfield Sackville (29 Jan 1706-10 Oct 1765)
  3rd: Charles Sackville (10 Oct 1765-6 Jan 1769)
  4th: John Frederick Sackville (6 Jan 1769-19 Jul 1799)
  5th: George John Frederick Sackville (19 Jul 1799-14 Feb 1815)
  6th: Charles Sackville (14 Feb 1815-29 Jul 1843)

Baron Cranley of Imbercourt, co. Surrey    [Great Britain, 1776]
  1st: George Onslow (20 May 1776-17 May 1814)

Baron Cranley of Imbercourt, co. Surrey    [Great Britain, 1786]
  2nd: Thomas Onslow (17 May 1814-22 Feb 1827)
  3rd: Arthur George Onslow (22 Feb 1827-24 Oct 1870)
  4th: William Hillier Onslow (24 Oct 1870-23 Oct 1911)
  5th: Richard William Alan Onslow (23 Oct 1911-9 Jun 1945)
  6th: William Arthur Bampfylde Onslow (9 Jun 1945-3 Jun 1971)
  7th: Michael William Coplestone Dillon Onslow (3 Jun 1971-14 May 2011)
  8th: Rupert Charles William Bullard Onslow (14 May 2011- )

Baron Cranworth, of Cranworth, co. Norfolk    [United Kingdom, 1850]
  1st: Robert Monsey Rolfe (20 Dec 1850-26 Jul 1868)

Baron Cranworth of Letton and Cranworth, co. Norfolk    [United Kingdom, 1899]
  1st: Robert Thornhagh Gurdon (28 Jan 1899-13 Oct 1902)
  2nd: Bertram Francis Gurdon (13 Oct 1902-4 Jan 1964)
  3rd: Philip Bertram Gurdon (4 Jan 1964- )

Baron Crathorne, of Crathorne, North Riding, co. York    [United Kingdom, 1959]
  1st: Thomas Lionel Dugdale (15 Jul 1959-26 Mar 1977)
  2nd: Charles James Dugdale (26 Mar 1977- )

Baron Craven of Hampsted Marshall, Berkshire    [England, 1627]
  1st: William Craven (12 Mar 1627-9 Apr 1697) with a special remainder to his brothers, John and Thomas (later extended to a cousin, William Craven, as well)
  2nd: William Craven (9 Apr 1697-9 Oct 1711)
  3rd: William Craven (9 Oct 1711-10 Aug 1739)
  4th: Fulwar Craven (10 Aug 1739-10 Nov 1764)
  5th: William Craven (10 Nov 1764-17 Mar 1769)
  6th: William Craven (17 Mar 1769-27 Sep 1791)
  7th: William Craven (27 Sep 1791-30 Jul 1825)
  8th: William Craven (30 Jul 1825-25 Aug 1866)
  9th: George Grimston Craven (25 Aug 1866-7 Dec 1883)
10th: William George Robert Craven (7 Dec 1883-9 Jul 1921)
11th: William George Bradley Craven (9 Jul 1921-15 Sep 1932)
12th: William Robert Bradley Craven (15 Sep 1932-27 Jan 1965)
13th: Thomas Robert Douglas Craven (27 Jan 1965-22 Oct 1983)
14th: Simon George Craven (22 Oct 1983-30 Aug 1990)
15th: Benjamin Robert Joseph Craven (30 Aug 1990- )

Baron Craven of Ryton, co. Salop    [England, 1643]
  1st: John Craven (21 Mar 1643-b 26 Feb 1648)

Baron Crawshaw of Crawshaw, co. Lancaster and of Whatton, co. Leicester    [United Kingdom, 1892]
  1st: Thomas Brooks (25 Aug 1892-5 Feb 1908)
  2nd: William Brooks (5 Feb 1908-19 Jan 1929)
  3rd: Gerald Beach Brooks (19 Jan 1929-21 Oct 1946)
  4th: William Michael Clifton Brooks (21 Oct 1946-7 Nov 1997)
  5th: David Gerald Brooks (7 Nov 1997- )

Baron Cremorne, of Castle Dawson, co. Monaghan    [Ireland, 1797]
  1st: Thomas Dawson (20 Nov 1797-1 Mar 1813) with a special remainder to this nephew, Richard Dawson
  2nd: Richard Thomas Dawson (1 Mar 1813-21 Mar 1827)
  3rd: Richard Dawson (21 Mar 1827-12 May 1897)
  4th: Vesey Dawson (12 May 1897-14 Jun 1920)
  5th: Anthony Lucius Dawson (14 Jun 1920-9 Feb 1933)

Baron Crewe, of Crewe, co. Chester    [United Kingdom, 1806]
  1st: John Crewe (25 Feb 1806-28 Apr 1829)
  2nd: John Crewe (28 Apr 1829-4 Dec 1835)
  3rd: Hungerford Crewe (4 Dec 1835-3 Jan 1894)

Lord Crichton    [Scotland, 1447]
  1st: William Crichton (bt 1443-1447-bt 1454-1454)
  2nd: James Crichton (bt 1454-1454-Aug 1454)
  3rd: William Crichton (Aug 1454-b 22 Nov 1493)

Lord Crichton    [Scotland, 1642]
  1st: James Crichton (29 Aug 1642-b 17 Aug 1665)
  2nd: James Crichton (b 17 Aug 1665-fr 1674-1675)
  3rd: William Crichton (29 Dec 1674-bt 1680-1686)
  4th: Lewis Crichton (b 9 Dec 1686-26 Feb 1698)

Lord Crichton of Sanquhar    [Scotland, 1488]
  1st: Robert Crichton (29 Jan 1488-fr 1494-1495)
  2nd: Robert Crichton (c Feb 1495-bt 1513-1513)
  3rd: Robert Crichton (1513-fr 1516-1520)
  4th: Robert Crichton (bt 1516-1520-b 7 Jan 1536)
  5th: William Crichton (c Jan 1536-11 Jun 1550)
  6th: Robert Crichton (11 Jun 1550-1561)
  7th: Edward Crichton (1561-23 May 1569)
  8th: Robert Crichton (23 May 1569-29 Jun 1612)
  9th: William Crichton (29 Jun 1612-fr 1642-1643)
10th: William Crichton (c 1643-1691)
11th: William Crichton (1691-28 Feb 1694)
12th: Penelope Crichton (28 Feb 1694-6 Mar 1742)
12th: William Dalrymple-Crichton (6 Mar 1742-27 Jul 1768)
13th: Patrick MacDowall-Crichton (27 Jul 1768-7 Apr 1803)
14th: John Crichton-Stuart (16 Nov 1814-18 Mar 1848)
15th: John Patrick Crichton-Stuart (18 Mar 1848-9 Oct 1900)
16th: John Crichton-Stuart (9 Oct 1900-25 Apr 1947)
17th: John Crichton-Stuart (25 Apr 1947-14 Aug 1956)
18th: John Crichton-Stuart (14 Aug 1956-21 Jul 1993)
19th: John Colum Crichton-Stuart (22 Jul 1993-22 Mar 2021)
20th: John Bryson Crichton-Stuart (22 Mar 2021- )

Lord Crichton of Sanquhar and Cumnock    [Scotland, 1633]
  1st: William Crichton (12 Jun 1633-fr 1642-1643) with a special remainder to his male heirs bearing the name Crichton
  2nd: William Crichton (c 1643-1691)
  3rd: William Crichton (1691-28 Feb 1694)
  4th: Penelope Crichton (28 Feb 1694-6 Mar 1742)
  5th: William Dalrymple-Crichton (6 Mar 1742-27 Jul 1768)
  6th: Patrick MacDowall-Crichton (27 Jul 1768-7 Apr 1803)
  7th: John Crichton-Stuart (16 Nov 1814-18 Mar 1848)
  8th: John Patrick Crichton-Stuart (18 Mar 1848-9 Oct 1900)
  9th: John Crichton-Stuart (9 Oct 1900-25 Apr 1947)
10th: John Crichton-Stuart (25 Apr 1947-14 Aug 1956)
11th: John Crichton-Stuart (14 Aug 1956-21 Jul 1993)
12th: John Colum Crichton-Stuart (22 Jul 1993-22 Mar 2021)
13th: John Bryson Crichton-Stuart (22 Mar 2021- )

Baron Cripps, of Frieth, co. Buckingham    [United Kingdom, 1914]
  4th: Frederick Alfred Milo Cripps (5 Oct 1977-12 Aug 2008)

Baron Croft, of Bournemouth, co. Southampton    [United Kingdom, 1940]
  1st: Henry Page Croft (28 May 1940-7 Dec 1947)
  2nd: Michael Henry Glendower Page Croft (7 Dec 1947-11 Jan 1997)
  3rd: Bernard William Henry Page Croft (11 Jan 1997- )

Baroness Crofton of Mote, co. Roscommon    [Ireland, 1798]
  1st: Anne Croker (8 Mar 1798-12 Aug 1817) created in compensation for the ennoblement intended for her husband had he lived
  2nd: Edward Crofton (12 Aug 1817-27 Dec 1869)
  3rd: Edward Henry Churchill Crofton (27 Dec 1869-22 Sep 1912)
  4th: Arthur Edward Lowther Crofton (22 Sep 1912-15 Jun 1942)
  5th: Edward Blaise Crofton (15 Jun 1942-13 Jun 1974)
  6th: Charles Edward Piers Crofton (13 Jun 1974-1989)
  7th: Guy Patrick Gilbert Crofton (1989-25 Nov 2007)
  8th: Edward Harry Piers Crofton (25 Nov 2007- )

Baron Cromer of Cromer, Norfolk    [United Kingdom, 1892]
  1st: Evelyn Baring (20 Jun 1892-29 Jan 1917)
  2nd: Rowland Thomas Baring (29 Jan 1917-13 May 1953)
  3rd: George Rowland Stanley Baring (13 May 1953-16 Mar 1991)
  4th: Evelyn Rowland Esmond Baring (1991- )

Baron Cromwell    [England, 1540]
  1st: Gregory Cromwell (18 Dec 1540-4 Jul 1551)

Baron Crook, of Carshalton, co. Surrey    [United Kingdom, 1947]
  1st: Reginald Douglas Crook (3 Jul 1947-1989)
  2nd: Douglas Edwin Crook (1989-18 Jun 2001)
  3rd: Robert Douglas Edwin Crook (18 Jun 2001- )

Baron du Cros, of Canons, co. Middlesex    [United Kingdom, 1916]
  4th: Julian Claude Arthur Mallet Cros (24 Jul 2014- )

Baron Cullen, co. Tipperary    [Ireland, 1642]
  1st: Charles Cokayne (11 Aug 1642-1661) with a special remainder to his sister Maria's four sons
  2nd: Brien Cokayne (1661-Jul 1687)
  3rd: Charles Cokayne (Jul 1687-30 Dec 1688)
  4th: Charles Cokayne (30 Dec 1688-6 Apr 1716)
  5th: Charles Cokayne (6 Apr 1716-7 Jun 1802)
  6th: Borlase Cokayne (7 Jun 1802-11 Aug 1810)

Baron Cullen of Ashbourne, of Roehampton, co. Surrey    [United Kingdom, 1920]
  1st: Brien Ibrican Cokayne (21 Apr 1920-3 Nov 1932)
  2nd: Charles Borlase Marsham Cokayne (3 Nov 1932-17 Dec 2000)
  3rd: Edmund Willoughby Marsham Cokayne (17 Dec 2000-5 Dec 2016)
  4th: Michael John Cokayne (5 Dec 2016- )

Baron Culloden    [United Kingdom, 1928]
  1st: Henry William Frederick Albert Windsor (31 Mar 1928-10 Jun 1974)
  2nd: Richard Alexander Walter George Windsor (10 Jun 1974- )

Baron of Culloden, in North Britain    [United Kingdom, 1801]
  1st: Adolphus Frederick Hanover (27 Nov 1801-8 Jul 1850)
  2nd: George William Frederick Charles Hanover (8 Jul 1850-17 Mar 1904)

Baron Culmore, co. Londonderry    [Ireland, 1725]
  1st: William Bateman (12 Jul 1725-Dec 1744)
  2nd: John Bateman (Dec 1744-2 Mar 1802)

Baron Cunliffe, of Headley, Surrey    [United Kingdom, 1914]
  1st: Walter Cunliffe (14 Dec 1914- )
  2nd: Rolf Cunliffe (6 Jan 1920-24 Nov 1963)
  3rd: Roger Cunliffe (24 Nov 1963- )

Baron Cunningham of Hyndhope, of Kirkhope, co. Selkirk    [United Kingdom, 1945]
  1st: Andrew Browne Cunningham (15 Sep 1945-12 Jun 1963)

Baron Currie of Hawley    [United Kingdom, 1899]
  1st: Philip Henry Wodehouse Currie (25 Jan 1899-12 May 1906)

Baron Curzon of Kedleston, co. Derby    [Ireland, 1898]
  1st: George Nathaniel Curzon (11 Nov 1898-20 Mar 1925)

Baron Curzon of Penn, co. Buckingham    [Great Britain, 1794]
  1st: Assheton Curzon (13 Aug 1794-21 Mar 1820)
  2nd: Richard William Penn Curzon-Howe (21 Mar 1820-12 May 1870)
  3rd: George Augustus Frederick Louis Curzon-Howe (12 May 1870-4 Feb 1876)
  4th: Richard William Penn Curzon-Howe (4 Feb 1876-25 Sep 1900)
  5th: Richard George Penn Curzon (25 Sep 1900-10 Jan 1929)
  6th: Francis Richard Henry Penn Curzon (10 Jan 1929-1 Sep 1964)
  7th: Edward Richard Assheton Penn Curzon (1 Sep 1964-29 May 1984)
  8th: Frederick Richard Penn Curzon (29 May 1984- )

Baron Cushendun, of Cushendun, co. Antrim    [United Kingdom, 1927]
  1st: Ronald John McNeill (7 Nov 1927-12 Oct 1934)

Baron D'Abernon, of Esher, co. Surrey    [United Kingdom, 1914]
  1st: Edgar Vincent (2 Jul 1914-1 Nov 1941)

Baron Dacre of Gillesland, Cumberland    [England, 1661]
  1st: Charles Howard (30 Apr 1661-24 Feb 1685)
  2nd: Edward Howard (24 Feb 1685-23 Apr 1692)
  3rd: Charles Howard (23 Apr 1692-1 May 1738)
  4th: Henry Howard (1 May 1738-3 Sep 1758)
  5th: Frederick Howard (3 Sep 1758-4 Sep 1825)
  6th: George Howard (4 Sep 1825-7 Oct 1848)
  7th: George William Frederick Howard (7 Oct 1848-5 Dec 1864)
  8th: William George Howard (5 Dec 1864-29 Mar 1889)
  9th: George James Howard (29 Mar 1889-16 Apr 1911)
10th: Charles James Stanley Howard (16 Apr 1911-20 Jan 1912)
11th: George Josslyn L'Estrange Howard (20 Jan 1912-17 Feb 1963)
12th: Charles James Ruthven Howard (17 Feb 1963-28 Nov 1994)
13th: George William Beaumont Howard (28 Nov 1994- )

Lord Daer and Shortcleuch    [Scotland, 1646]
  1st: William Douglas-Hamilton (4 Aug 1646-18 Apr 1694)
  2nd: Charles Douglas (6 Oct 1688-13 Mar 1739)
  3rd: John Hamilton (13 Mar 1739-3 Dec 1744)
  4th: Dunbar Douglas (3 Dec 1744-26 Mar 1799)
  5th: Thomas Douglas (26 May 1799-8 Apr 1820)
  6th: Dunbar James Douglas (8 Apr 1820-11 Apr 1885)
  7th: Charles George Douglas-Hamilton (11 Apr 1885-2 May 1886)
  8th: William Alexander Louis Stephen Douglas-Hamilton (2 May 1886-16 May 1895)
  9th: Alfred Douglas Douglas-Hamilton (16 May 1895-16 Mar 1940)
10th: George Nigel Douglas-Hamilton (16 Mar 1940-24 Nov 1994)
11th: James Alexander Douglas-Hamilton (24 Nov 1994-28 Nov 2023)
12th: John Andrew Douglas-Hamilton (28 Nov 2023- )

Baron Dalhousie of Dalhousie Castle, co. Edinburgh    [United Kingdom, 1815]
  1st: George Ramsay (11 Aug 1815-21 Mar 1838)
  2nd: James Andrew Ramsay (21 Mar 1838-22 Dec 1860)

Lord of Dalkeith    [Scotland, ]
  1st: James Douglas ( -bt 1440-1441) although evidence for this creation is 'nugatory'

Baron Dalling and Bulwer of Dalling, co. Norfolk    [United Kingdom, 1871]
  1st: William Henry Lytton Earle Bulwer (23 Mar 1871-23 May 1872)

Lord Dalmeny and Primrose    [Scotland, 1703]
  1st: Archibald Primrose (10 Apr 1703-20 Oct 1723)
  2nd: James Primrose (20 Oct 1723-26 Nov 1755)
  3rd: Neil Primrose (26 Nov 1755-25 Mar 1814)
  4th: Archibald John Primrose (25 Mar 1814-4 Mar 1868)
  5th: Archibald Philip Primrose (4 Mar 1868-21 May 1929)
  6th: Albert Edward Harry Mayer Archibald Primrose (21 May 1929-30 May 1974)
  7th: Neil Archibald Primrose (30 May 1974-30 Jun 2024)
  8th: Harry Ronald Neil Primrose (30 Jun 2024- )

Lord Dalzell    [Scotland, 1628]
  1st: Robert Dalzell (18 Sep 1628-bt 1635-1636)
  2nd: Robert Dalzell (bt 1635-1636-c Jun 1654)
  3rd: Gavin Dalzell (c Jun 1654-Jun 1674)
  4th: James Dalzell (Jun 1674-1683)
  5th: John Dalzell (1683-7 Jun 1702)
  6th: Robert Dalzell (7 Jun 1702-4 Aug 1737)

Baron Dalziel of Kirkcaldy, of Marylebone, London    [United Kingdom, 1921]
  1st: James Henry Dalziel (28 Jun 1921-15 Jul 1935)

Baron Dalziel of Wooler, of Wooler, co. Northumberland    [United Kingdom, 1927]
  1st: Davison Alexander Dalziel (4 Jul 1927-18 Apr 1928)

Baron Danesfort, of Danesfort, co. Kerry    [United Kingdom, 1924]
  1st: John George Butcher (19 Feb 1924-30 Jun 1935)

Baron Danvers of Dauntsey, co. Wilts    [England, 1603]
  1st: Henry Danvers (21 Jul 1603-20 Jan 1644)

Lord Darcy de Knayth    [England, 1322]
  5th: John Darcy (24 Apr 1399-9 Dec 1411)
  8th: Conyers Darcy (3 Mar 1654-14 Jun 1689)
  9th: Conyers Darcy (14 Jun 1689-13 Dec 1692)
10th: Robert Darcy (13 Dec 1692-20 Jan 1722)
11th: Robert Darcy (20 Jan 1722-16 May 1778)
12th: Amelia Darcy (16 May 1778-26 Jan 1784) de jure
13th: George William Frederick Osborne (27 Jan 1784-10 Jul 1838) de jure
14th: Francis Godolphin Darcy-Osborne (10 Jul 1838-12 May 1859) de jure

Baron Darcy of Navan, co. Meath    [Ireland, 1721]
  1st: James Darcy (13 Sep 1721-19 Jul 1731) with a special remainder to male heirs of his daughter, Mary
  2nd: James Darcy (19 Jul 1731-15 Jun 1733)

Baron Daresbury, of Walton, Chester    [United Kingdom, 1927]
  1st: Gilbert Greenall (21 Jun 1927-24 Oct 1938)
  2nd: Edward Greenall (24 Oct 1938-1990)
  3rd: Edward Gilbert Greenall (1990-9 Sep 1996)
  4th: Peter Gilbert Greenall (9 Sep 1996- )

Baron Darling, of Langham, co. Essex    [United Kingdom, 1924]
  1st: Charles John Darling (12 Jan 1924-29 May 1936)
  2nd: Robert Charles Henry Darling (29 May 1936-16 Oct 2003)
  3rd: Robert Julian Henry Darling (16 Oct 2003- )

Lord of Darnley    [Scotland, 1460]
  1st: John Stuart (c 1460-bt 1495-1495)
  2nd: Matthew Stuart (Sep 1495-9 Sep 1513)
  3rd: John Stuart (9 Sep 1513-4 Sep 1526)
  4th: Matthew Stuart (1526-4 Sep 1571)

Lord Darnley    [Scotland, 1562]
  1st: John Stewart (1562-c Nov 1563)
  2nd: Francis Stewart (c Nov 1563-4 Nov 1613)

Baron Dartmouth, of Dartmouth, Devon    [England, 1682]
  1st: George Legge (2 Dec 1682-25 Oct 1691) with a special remainder to his brother William
  2nd: William Legge (25 Oct 1691-15 Dec 1750)
  3rd: William Legge (15 Dec 1750-15 Jul 1801)
  4th: George Legge (15 Jul 1801-10 Nov 1810)
  5th: William Legge (10 Nov 1810-22 Nov 1853)
  6th: William Walter Legge (22 Nov 1853-4 Aug 1891)
  7th: William Heneage Legge (4 Aug 1891-11 Mar 1936)
  8th: William Legge (11 Mar 1936-28 Feb 1958)
  9th: Humphrey Legge (28 Feb 1958-16 Oct 1962)
10th: Gerald Humphrey Legge (16 Oct 1962-14 Dec 1997)
11th: William Legge (14 Dec 1997- )

Baron Dartrey, of Dartrey, co. Monaghan    [United Kingdom, 1847]
  1st: Richard Dawson (20 Sep 1847-12 May 1897)
  2nd: Vesey Dawson (12 May 1897-14 Jun 1920)
  3rd: Anthony Lucius Dawson (14 Jun 1920-9 Feb 1933)

Baron Dartrey, of Dawson's Grove, co. Monaghan    [Ireland, 1770]
  1st: Thomas Dawson (28 May 1770-1 Mar 1813)

Baron Darwen, of Heys-in-Bowland, in the West Riding of Yorkshire    [United Kingdom, 1946]
  1st: John Percival Davies (12 Feb 1946-26 Dec 1950)
  2nd: Cedric Percival Davies (26 Dec 1950-1988)
  3rd: Roger Michael Davies (1988-26 May 2011)
  4th: Paul Davies (26 May 2011- )

Baron Daryngton, of Witley, Surrey    [United Kingdom, 1923]
  1st: Herbert Pike Pease (12 Feb 1923-10 May 1949)
  2nd: Jocelyn Arthur Pike Pease (10 May 1949-1994)

Baron of Dauntsey    [England, 1664]
  1st: James Stuart (23 Aug 1664-20 Jun 1667)

Baron of Dauntsey    [England, 1667]
  1st: Edgar Stuart (7 Oct 1667-8 Jun 1671)

Baron Daventree, co. Northampton    [England, 1623]
  1st: Christopher Villiers (18 Apr 1623-3 Apr 1630)
  2nd: Charles Villiers (3 Apr 1630-c Feb 1661)

Baron Davidson of Lambeth, of Lambeth, co. London    [United Kingdom, 1928]
  1st: Randall Thomas Davidson (14 Nov 1928-25 May 1930) when he became the first Lord Spiritual to become a Temporal Lord

Baron Davies, of Llandinam, co. Montgomery    [United Kingdom, 1932]
  1st: David Davies (21 Jun 1932-16 Jun 1944)
  2nd: David Michael Davies (16 Jun 1944-25 Sep 1944)
  3rd: David Davies (25 Sep 1944-7 Feb 2024)
  4th: David Daniel Davies (7 Feb 2024- )

Baron Dawnay of Cowick, co. York    [Great Britain, 1796]
  1st: John Christopher Burton Dawnay (9 Jun 1796-18 Feb 1832)

Baron Dawnay of Danby    [United Kingdom, 1897]
  1st: Hugh Richard Dawnay (24 Jul 1897-21 Jan 1924)
  2nd: John Dawnay (21 Jan 1924-1 Dec 1931)
  3rd: Richard Dawnay (1 Dec 1931-8 Dec 1965)
  4th: John Christian George Dawnay (8 Dec 1965-15 Mar 2002)
  5th: Richard Henry Dawnay (15 Mar 2002- )

Lord Dawson, Baron Dawson of Dawson's Court, in the Queen's County    [Ireland, 1770]
  1st: William Henry Dawson (29 May 1770-22 Aug 1779)
  2nd: John Dawson (22 Aug 1779-25 Nov 1798)
  3rd: John Dawson (25 Nov 1798-28 Dec 1845)
  4th: Henry John Reuben Dawson-Damer (27 May 1845-1 Mar 1889)
  5th: Lionel Seymour William Dawson-Damer (1 Mar 1889-17 Dec 1892)
  6th: Lionel George Henry Seymour Dawson-Damer (17 Dec 1892-31 Aug 1900)
  7th: Lionel George Henry Seymour Dawson-Damer (31 Aug 1900-4 Jul 1959)
  8th: George Lionel Yuill Seymour Dawson-Damer (4 Jul 1959-6 Oct 2024)
  9th: Charles George Yuill Seymour Dawson-Damer (6 Oct 2024- )

Baron Dawson of Penn, co. Buckingham    [United Kingdom, 1920]
  1st: Bertrand Edward Dawson (9 Feb 1920-7 Mar 1945)

Baron De L'Isle and Dudley of Penshurst, co. Kent    [United Kingdom, 1835]
  1st: Philip Charles Sidney (13 Jan 1835-4 Mar 1851)
  2nd: Philip Sidney (4 Mar 1851-17 Feb 1898)
  3rd: Philip Sidney (17 Feb 1898-24 Dec 1922)
  4th: Algernon Sidney (24 Dec 1922-18 Apr 1945)
  5th: William Sidney (18 Apr 1945-18 Jun 1945)
  6th: William Philip Sidney (18 Jun 1945-5 Apr 1991)
  7th: Philip John Algernon Sidney (5 Apr 1991- )

Baron Dechmont    [Scotland, 1696]
  1st: George Hamilton (3 Jan 1696-29 Jan 1737)
  2nd: Anne Hamilton (29 Jan 1737-7 Dec 1756)
  3rd: Mary O'Brien (6 Dec 1756-10 May 1791)
  4th: Mary O'Brien (10 May 1791-30 Dec 1831)
  5th: Thomas John Hamilton FitzMaurice (30 Dec 1831-16 May 1877)
  6th: George William Hamilton FitzMaurice (16 May 1877-21 Oct 1889)
  7th: Edmond Walter FitzMaurice (21 Oct 1889-21 Aug 1951)
  8th: Cecil O'Bryen FitzMaurice (21 Aug 1951-5 Feb 1998)
  9th: Oliver Peter St. John (5 Feb 1998- )

Baron Decies, of Decies, co. Waterford    [Ireland, 1812]
  1st: William Beresford (22 Dec 1812-6 Sep 1819)
  2nd: John Horsley-Beresford (6 Sep 1819-1 Mar 1865)
  3rd: William Robert John Horsley-Beresford (1 Mar 1865-3 Jul 1893)
  4th: William Marcus de la Poer Horsley-Beresford (3 Jul 1893-30 Jul 1910)
  5th: John Graham Hope de la Poer Beresford (30 Jul 1910-31 Jan 1944)
  6th: Arthur George Marcus Douglas de la Poer Beresford (31 Jan 1944-7 Nov 1992)
  7th: Marcus Hugh Tristram de la Poer Beresford (7 Nov 1992- )

Lord Deincourt    [England, 1299]
  3rd: William Deincourt ( -15 Oct 1381)

Baron Deincourt, of Sutton, co. Derby    [England, 1624]
  1st: Francis Leke (26 Oct 1624-9 Apr 1665)
  2nd: Nicholas Leke (9 Apr 1665-27 Jan 1681)
  3rd: Robert Leke (27 Jan 1681-27 Dec 1707)
  4th: Nicholas Leke (1707-1736)

Baron Delamar, of Dunham Massey, co. Chester    [Great Britain, 1796]
  1st: George Harry Grey (22 Apr 1796-28 May 1819)
  2nd: George Harry Grey (28 May 1819-26 Apr 1845)
  3rd: George Harry Grey (26 Apr 1845-2 Jan 1883)

Baron Delamer of Dunham Massey, co. Chester    [England, 1661]
  1st: George Booth (20 Apr 1661-8 Aug 1684)
  2nd: Henry Booth (8 Aug 1684-2 Jan 1694)
  3rd: George Booth (2 Jan 1694-2 Aug 1758)
  4th: Nathaniel Booth (2 Aug 1758-9 Jan 1770)

Baron Delamere of Vale Royal, co. Chester    [United Kingdom, 1821]
  1st: Thomas Cholmondeley (17 Jul 1821-30 Oct 1855)
  2nd: Hugh Cholmondeley (30 Oct 1855-1 Aug 1887)
  3rd: Hugh Cholmondeley (1 Aug 1887-13 Nov 1931)
  4th: Thomas Pitt Hamilton Cholmondeley (13 Nov 1931-13 Apr 1979)
  5th: Hugh George Cholmondeley (13 Apr 1979-7 Oct 2024)
  6th: Thomas Patrick Gilbert Cholmondeley (7 Oct 2024-16 Aug 2016)

Baron Delaval of Redford, co. Wicklow    [Ireland, 1783]
  1st: John Hussey Delaval (17 Oct 1783-1808)

Lord Delaval of Seaton Delaval, co. Northumberland    [Great Britain, 1786]
  1st: John Hussey Delaval (21 Aug 1786-1808)

Baron Delaware    [England, 1570]
  1st: William West (5 Feb 1570-30 Dec 1595)
  2nd: Thomas West (30 Dec 1595-24 Mar 1602)
  3rd: Thomas West (24 Mar 1602-7 Jun 1618)
  4th: Henry West (7 Jun 1618-1 Jun 1628)
  5th: Charles West (1 Jun 1628-22 Dec 1687)
  6th: John West (22 Dec 1687-26 May 1723)
  7th: John West (26 May 1723-16 Mar 1766)
  8th: John West (16 Mar 1766-22 Nov 1777)
  9th: William Augustus West (22 Nov 1777-Jan 1783)
10th: John Richard West (Jan 1783-28 Jul 1795)
11th: George John Sackville-West (28 Jul 1795-23 Feb 1869)
12th: Charles Richard Sackville-West (23 Feb 1869-23 Apr 1873)
13th: Reginald Windsor Sackville (23 Apr 1873-5 Jan 1896)
14th: Gilbert George Reginald Sackville (5 Jan 1896-16 Dec 1915)
15th: Herbrand Edward Dundonald Brassey Sackville (16 Dec 1915-28 Jan 1976)
16th: William Herbrand Sackville (28 Jan 1976-9 Feb 1988)
17th: William Herbrand Sackville (9 Feb 1988- )

Baron Delvin    [Ireland, 1451]
  1st: Richard Nugent (1451-1475)
  2nd: Christopher Nugent (1473-1478)
  3rd: Richard Nugent (1478-28 Feb 1538)
  4th: Richard Nugent (28 Feb 1538-23 Nov 1559)
  5th: Christopher Nugent (10 Dec 1559-26 Aug 1602)
  6th: Richard Nugent (26 Aug 1602-a May 1642)
  7th: Richard Nugent (a May 1642-b 25 Feb 1684)
  8th: Richard Nugent (25 Feb 1684-Apr 1714)
  9th: Thomas Nugent (Apr 1714-30 Jun 1752)
10th: John Nugent (30 Jun 1752-3 Jul 1754)
11th: Thomas Nugent (3 Jul 1754-7 Sep 1792)
12th: George Frederick Nugent (7 Sep 1792-30 Dec 1814)
13th: George Thomas John Nugent (30 Dec 1814-5 May 1871)
14th: Anthony Francis Nugent (5 May 1871-12 May 1879)
15th: William St. George Nugent (12 May 1879-31 May 1883)
16th: Anthony Francis Nugent (31 May 1883-12 Dec 1933)
17th: Gilbert Charles Nugent (12 Dec 1933-20 Nov 1971)
18th: William Anthony Nugent (20 Nov 1971- )

Baron Denham, of Weston Underwood, co. Buckingham    [United Kingdom, 1937]
  1st: George Edward Wentworth Bowyer (24 May 1937-30 Nov 1948)
  2nd: Bertram Stanley Mitford Bowyer (30 Nov 1948-1 Dec 2021)
  3rd: Richard Grenville George Bowyer (1 Dec 2021- )

Baron Denman of Dovedale, co. Derby    [United Kingdom, 1834]
  1st: Thomas Denman (28 Mar 1834-22 Sep 1854)
  2nd: Thomas Aitchison-Denman (22 Sep 1854-9 Aug 1894)
  3rd: Thomas Denman (9 Aug 1894-24 Jun 1954)
  4th: Thomas Denman (24 Jun 1954-21 Mar 1971)
  5th: Charles Spencer Denman (21 Mar 1971-21 Nov 2012)
  6th: Richard Thomas Stewart Denman (21 Nov 2012- )

Baron Denton, of Denton, co. Kent    [United Kingdom, 1914]
  1st: Horatio Herbert Kitchener (27 Jul 1914-5 Jun 1916)
  2nd: Henry Elliott Chevallier Kitchener (5 Jun 1916-27 Mar 1937)
  3rd: Henry Herbert Kitchener (27 Mar 1937-16 Dec 2011)

Baron Deramore of Belvoir, co. Down    [United Kingdom, 1885]
  2nd: George William Yarburgh-Bateson (1 Dec 1890-29 Apr 1893)
  3rd: Robert Wilfred Yarburgh-Bateson (29 Apr 1893-1 Apr 1936)
  4th: George Nicholas Yarburgh-Bateson (1 Apr 1936-4 Nov 1943)
  5th: Stephen Nicholas Yarburgh-Bateson (4 Nov 1943-23 Dec 1964)
  6th: Richard Arthur Yarburgh-Bateson (23 Dec 1964-20 Aug 2006)

Baron Deramore of Belvoir, of Belvior Park, co. Down    [United Kingdom, 1885]
  1st: Thomas Bateson (18 Nov 1885-1 Dec 1890) with a special remainder to his brother, George

Baron Derwent, of Hackness, in the North Riding of co. York    [United Kingdom, 1881]
  1st: Harcourt Vanden-Bempde-Johnstone (10 Oct 1881-1 Mar 1916)
  2nd: Francis Vanden-Bempde-Johnstone (1 Mar 1916-20 Apr 1929)
  3rd: George Harcourt Vanden-Bempde-Johnstone (20 Apr 1929-12 Jan 1949)
  4th: Patrick Robin Gilbert Vanden-Bempde-Johnstone (12 Jan 1949-1986)
  5th: Robin Evelyn Leo Vanden-Bempde-Johnstone (1986- )

Baron Desart    [United Kingdom, 1909]
  1st: Hamilton John Agmondesham Cuffe (12 May 1909-4 Nov 1934)

Baron Desart, co. Kilkenny    [Ireland, 1733]
  1st: John Cuffe (10 Nov 1733-1749)
  2nd: John Cuffe (1749-1767)
  3rd: Otway Cuffe (1767-9 Aug 1804)
  4th: John Otway Cuffe (9 Aug 1804-22 Nov 1820)
  5th: Hamilton John Agmondesham Cuffe (15 Sep 1898-4 Nov 1934)
  5th: Otway O'Conner Cuffe (22 Nov 1820-1 Apr 1865)
  6th: William Ulick O'Connor Cuffe (1 Apr 1865-15 Sep 1898)

Baron Desborough, of Taplow, co. Buckingham    [United Kingdom, 1905]
  1st: William Henry Grenfell (30 Dec 1905-9 Jan 1945)

Baron Devonport, of Wittington, co. Buckingham    [United Kingdom, 1910]
  1st: Hudson Ewbanke Kearley (15 Jul 1910-5 Sep 1934)
  2nd: Gerald Chester Kearley (5 Sep 1934-29 Mar 1973)
  3rd: Terence Kearley (29 Mar 1973- )

Baron Dewar, of Homestall, co. Sussex    [United Kingdom, 1919]
  1st: Thomas Robert Dewar (20 May 1919-11 Apr 1930)

Baron Dickinson, of Painswick, co. Gloucester    [United Kingdom, 1930]
  1st: Willoughby Hyett Dickinson (18 Jan 1930-31 May 1943)
  2nd: Richard Clavering Hyett Dickinson (31 May 1943-28 Nov 2019)
  3rd: Martin Hyett Dickinson (28 Nov 2019- )

Baron Digby, of Geashill, King's County    [Ireland, 1620]
  1st: Robert Digby (29 Jul 1620-6 Jun 1642)
  2nd: Kildare Digby (7 Jun 1642-11 Jul 1661)
  3rd: Robert Digby (11 Jul 1661-29 Dec 1677)
  4th: Simon Digby (29 Jul 1677-19 Jan 1685)
  5th: William Digby (19 Jan 1685-29 Nov 1752)
  6th: Edward Digby (29 Nov 1752-30 Nov 1757)
  7th: Henry Digby (30 Nov 1757-25 Sep 1793)
  8th: Edward Digby (25 Sep 1793-12 May 1856)
  9th: Edward St. Vincent Digby (12 May 1856-16 Oct 1889)
10th: Edward Henry Trafalgar Digby (16 Oct 1889-11 May 1920)
11th: Edward Kenelm Digby (11 May 1920-29 Jan 1964)
12th: Edward Henry Kenelm Digby (29 Jan 1964-1 Apr 2018)
13th: Henry Noel Kenelm Digby (1 Apr 2018- )

Baron Digby, of Sherborne, co. Dorset    [Great Britain, 1765]
  1st: Henry Digby (13 Aug 1765-25 Sep 1793) with a special remainder to the issue male of his father
  2nd: Edward Digby (25 Sep 1793-12 May 1856)
  3rd: Edward St. Vincent Digby (12 May 1856-16 Oct 1889)
  4th: Edward Henry Trafalgar Digby (16 Oct 1889-11 May 1920)
  5th: Edward Kenelm Digby (11 May 1920-29 Jan 1964)
  6th: Edward Henry Kenelm Digby (29 Jan 1964-1 Apr 2018)
  7th: Henry Noel Kenelm Digby (1 Apr 2018- )

Baron Digby of Sherborne, co. Dorset    [England, 1618]
  1st: John Digby (25 Nov 1618-21 Jan 1653)
  2nd: George Digby (9 Jun 1641-20 Mar 1677) in his father's lifetime
  3rd: John Digby (20 Mar 1677-18 Sep 1698)

Baron Dilhorne, of Towcester, co. Northampton    [United Kingdom, 1962]
  1st: Reginald Edward Manningham-Buller (17 Jul 1962-7 Sep 1980)
  2nd: John Mervyn Manningham-Buller (7 Sep 1980-25 Jun 2022)
  3rd: James Edward Manningham-Buller (25 Jun 2022- )

Lord Dingwall    [Scotland, 1584]
  1st: Andrew Keith (18 Mar 1584- )

Lord Dingwall, of co. Ross    [Scotland, 1609]
  1st: Richard Preston (8 Jun 1609-28 Oct 1628)
  2nd: Elizabeth Preston (28 Oct 1628-21 Jul 1684)
  3rd: James Butler (21 Jul 1684-16 Nov 1745)
  4th: Francis Thomas de Grey Cowper (15 Aug 1871-18 Jul 1905)
  5th: Auberon Thomas Herbert (19 Jul 1905-3 Nov 1916)
  6th: Nan Ino Herbert (4 Nov 1916-23 Nov 1958)
  7th: Anne Rosemary Cooper (23 Nov 1958-31 Dec 1991)
  8th: Ralph Matthew Palmer (31 Dec 1991- )

Lord Dinham    [England, 1295]
  6th: John Dinham
  7th: John Dinham

Lord Dirletoun    [Scotland, 1450]
  1st: John Halyburton (c 1450-bt 1452-1454)
  2nd: Patrick Halyburton (b 1454- )
  3rd: George Halyburton ( -b 24 1490)
  4th: Patrick Halyburton (b 1490-1505)
  5th: Janet Halyburton (1505- ) suo jure
  6th: Patrick Ruthven ( -13 May 1566)
  7th: William Ruthven (13 May 1566-2 May 1584)
  8th: James Ruthven (1586-1588)
  9th: John Ruthven (1588-5 Aug 1600)

Lord Dirletoun    [Scotland, 1619]
  1st: Thomas Erskine (12 Mar 1619-12 Jun 1639) with special remainder to heirs male bearing the name and arms of Erskine
  2nd: Thomas Erskine (12 Jun 1639-3 Feb 1643)
  3rd: Alexander Erskine (11 Feb 1633-May 1677)
  4th: Alexander Erskine (14 Sep 1677-8 Mar 1710)
  5th: Alexander Erskine (8 Mar 1710-3 Apr 1756)
  6th: Thomas Alexander Erskine (3 Apr 1756-9 Oct 1781)
  7th: Archibald Erskine (9 Oct 1781-8 May 1797)
  8th: Charles Erskine (8 May 1797-28 Oct 1799)
  9th: Thomas Erskine (28 Oct 1799-6 Feb 1828)
10th: Methven Erskine (6 Feb 1828-3 Dec 1829)
11th: John Francis Miller Erskine (3 Dec 1829-19 Jun 1866)
12th: Walter Coningsby Erskine (19 Jun 1866-15 Jan 1872)
13th: Walter Henry Erskine (15 Jan 1872-16 Sep 1888)
14th: Walter John Francis Erskine (16 Sep 1888-3 Jun 1955)
15th: John Francis Hervey Erskine (3 Jun 1955-22 Dec 1993)
16th: James Thorne Erskine (22 Dec 1993- )

Lord Dockwra, Baron of Culmore    [Ireland, 1621]
  1st: Henry Dockwra (25 May 1621-18 Apr 1631)
  2nd: Theodore Dockwra (1631-1647)

Baron Doneraile, of Doneraile, co. Cork    [Ireland, 1776]
  1st: St. Leger St. Leger (2 Jul 1776-15 May 1787)
  2nd: Hayes St. Leger (15 May 1787-8 Nov 1819)
  3rd: Hayes St. Leger (8 Nov 1819-27 Mar 1854)
  4th: Hayes St. Leger (27 Mar 1854-26 Aug 1887)
  5th: Richard Arthur St. Leger (26 Aug 1887-1 Jan 1891)
  6th: Edward St. Leger (1 Jan 1891-7 Sep 1941)
  7th: Hugh St. Leger (7 Sep 1941-18 Dec 1956)
  8th: Algernon Edward St. Leger (18 Dec 1956-18 Nov 1957)
  9th: Richard St. John St. Leger (18 Nov 1957-1983)
10th: Richard Allen St. Leger (1983- )

Baron Donington, of Donington Park, co. Leicester    [United Kingdom, 1880]
  1st: Charles Frederick Abney-Hastings (4 May 1880-24 Jul 1895)
  2nd: Charles Edward Rawdon-Hastings (24 Jul 1895-17 May 1920)
  3rd: Gilbert Theophilus Clifton Clifton-Hastings-Campbell (17 May 1920-31 May 1927)