Marquess of Abercorn [Great Britain, 1790]
1st: John James Hamilton (15 Oct 1790-27 Jan 1818)
2nd: James Hamilton (27 Jan 1818-31 Oct 1885)
3rd: James Hamilton (31 Oct 1885-3 Jan 1913)
4th: James Albert Edward Hamilton (3 Jan 1913-12 Sep 1953)
5th: James Edward Hamilton (12 Sep 1953-4 Jun 1979)
6th: James Hamilton (4 Jun 1979- )
Marquess of Aberdeen and Temair, of the counties of Aberdeen, Meath and Argyll [United Kingdom, 1916]
1st: John Campbell Hamilton-Gordon (4 Jan 1916-7 Mar 1934)
2nd: George Gordon (7 Mar 1934-6 Jan 1965)
3rd: Dudley Gladstone Gordon (6 Jan 1965-16 Apr 1972)
4th: David George Ian Alexander Gordon (16 Apr 1972-13 Sep 1974)
5th: Archibald Victor Dudley Gordon (13 Sep 1974-7 Sep 1984)
6th: Alastair Ninian John Gordon (7 Sep 1984-19 Aug 2002)
7th: Alexander George Gordon (19 Aug 2002-12 Mar 2020)
8th: George Ian Alastair Gordon (12 Mar 2020- )
Marquess of Abergavenny, co. Monmouth [United Kingdom, 1876]
1st: William Nevill (14 Jan 1876-12 Dec 1915)
2nd: Reginald William Bransby Nevill (12 Dec 1915-13 Oct 1927)
3rd: Henry Gilbert Ralph Nevill (13 Oct 1927-10 Jan 1938)
4th: Guy Temple Montacute Larnach-Nevill (10 Jan 1938-30 Mar 1954)
5th: John Henry Guy Nevill (30 Mar 1954-23 Feb 2000)
6th: Christopher George Charles Nevill (23 Feb 2000- )
Marquess of Ailesbury, Buckinghamshire [United Kingdom, 1821]
1st: Charles Brudenell-Bruce (17 Jul 1821-4 Jan 1856)
2nd: George William Frederick Brudenell-Bruce (4 Jan 1856-6 Jan 1878)
3rd: Ernest Augustus Charles Brudenell-Bruce (6 Jan 1878-18 Oct 1886)
4th: George William Thomas Brudenell-Bruce (18 Oct 1886-10 Apr 1894)
5th: Henry Augustus Brudenell-Bruce (10 Apr 1894-10 Mar 1911)
6th: George William James Chandos Brudenell-Bruce (10 Mar 1911-4 Aug 1961)
7th: Chandos Sydney Cedric Brudenell-Bruce (4 Aug 1961-15 Jul 1974)
8th: Michael Sydney Cedric Brudenell-Bruce (15 Jul 1974- )
Marquess of Ailsa, of the Isle of Ailsa, co. Ayr [United Kingdom, 1831]
1st: Archibald Kennedy (10 Sep 1831-8 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- )
Marquess of Alton, co. Stafford [England, 1694] 1st: Charles Talbot (30 Apr 1694-1 Feb 1718)
Marquess of Anglesey [United Kingdom, 1815]
1st: Henry William Paget (4 Jul 1815-29 Apr 1854)
2nd: Henry Paget (29 Apr 1854-7 Feb 1869)
3rd: Henry William George Paget (6 Feb 1869-30 Jan 1880)
4th: Henry Paget (30 Jan 1880-13 Oct 1898)
5th: Henry Cyril Paget (13 Oct 1898-14 Mar 1905)
6th: Charles Henry Alexander Paget (14 Mar 1905-21 Feb 1947)
7th: George Charles Henry Victor Paget (21 Feb 1947-13 Jul 2013)
8th: Charles Alexander Vaughan Paget (13 Jul 2013- )
Marquess of Angus and Abernethy [Scotland, 1703] 1st: Archibald Douglas (10 Apr 1703-21 Jul 1761)
Marquess of Annandale [Scotland, 1701]
1st: William Johnstone (24 Jun 1701-14 Jan 1721)
2nd: James Johnstone (14 Jan 1721-10 Feb 1730)
3rd: George van den Bempdé-Johnstone (10 Feb 1730-29 Apr 1792)
Marquess of Antrim [Ireland, 1645] 1st: Randal Mac Donnell (26 Jan 1645-3 Feb 1682)
Marquess of Antrim [Ireland, 1789] 1st: Randal William Mac Donnell (18 Aug 1789-29 Jul 1791)
Marquess of Argyll [Scotland, 1641] 1st: Archibald Campbell (15 Nov 1641-27 May 1661)
Marquess of Athole [Scotland, 1676]
1st: John Murray (7 Feb 1676-6 May 1703)
2nd: John Murray (6 May 1703-14 Nov 1724)
3rd: James Murray (9 Jul 1746-8 Jan 1764)
4th: John Murray (8 Jan 1764-5 Nov 1774)
5th: John Murray (5 Nov 1774-29 Sep 1830)
6th: John Murray (29 Sep 1830-14 Sep 1846)
7th: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
8th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
9th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
10th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)
11th: George Iain Murray (8 May 1957-27 Feb 1996)
12th: John Murray (27 Feb 1996-15 May 2012)
13th: Bruce George Ronald Murray (15 May 2012- )
Marquess of Bath [Great Britain, 1789]
1st: Thomas Thynne (18 Aug 1789-19 Nov 1796)
2nd: Thomas Thynne (19 Nov 1796-27 Mar 1837)
3rd: Henry Frederick Thynne (27 Mar 1837-24 Jun 1837)
4th: John Alexander Thynne (24 Jun 1837-20 Apr 1896)
5th: Thomas Henry Thynne (20 Apr 1896-9 Jun 1946)
6th: Henry Frederick Thynne (9 Jun 1946-30 Jun 1992)
7th: Alexander George Thynn (30 Jun 1992-4 Apr 2020)
8th: Ceawlin Henry Laszlo Thynn (4 Apr 2020- )
Marquess of Berkeley [England, 1489] 1st: William Berkeley (28 Jan 1489-14 Feb 1492)
Marquess of Berkhamstead [Great Britain, 1726] 1st: William Augustus Hanover (27 Jul 1726-31 Oct 1765)
Marquess of Beverley, co. York [Great Britain, 1708]
1st: James Douglas (26 May 1708-6 Jul 1711) with special remainder to his third son Charles
2nd: Charles Douglas (6 Jul 1711-22 Oct 1778)
Marquess of Blandford [England, 1702]
1st: John Churchill (14 Dec 1702-16 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- )
Marquess of Bowmont and Cessford [Scotland, 1707]
1st: John Ker (25 Apr 1707-27 Feb 1741) with special remainder to his heirs male
2nd: Robert Ker (27 Feb 1741-20 Aug 1755)
3rd: John Ker (20 Aug 1755-19 Mar 1804)
4th: William Bellenden-Ker (19 Mar 1804-22 Oct 1805)
5th: James Innes-Ker (22 Oct 1805-19 Jul 1823)
6th: James Henry Robert Innes-Ker (19 Jul 1823-23 Apr 1879)
7th: James Henry Robert Innes-Ker (23 Apr 1879-23 Oct 1892)
8th: Henry John Innes-Ker (23 Oct 1892-29 Sep 1932)
9th: George Victor Robert John Innes-Ker (29 Sep 1932-26 Sep 1974)
10th: Guy David Innes-Ker (26 Sep 1974-29 Aug 2019)
11th: Charles Robert George Innes-Ker (29 Aug 2019- )
Marquess of Brackley, co. Northampton [Great Britain, 1720]
1st: Scroop Egerton (18 Jun 1720-11 Jan 1745)
2nd: John Egerton (11 Jan 1745-26 Feb 1748)
3rd: Francis Egerton (26 Feb 1748-8 Mar 1803)
Marquess of Brambreich [Scotland, 1680] 1st: John Leslie (29 May 1680-26 Jul 1681)
Marquess of Breadalbane [United Kingdom, 1831]
1st: John Campbell (12 Sep 1831-29 Mar 1834)
2nd: John Campbell (29 Mar 1834-8 Nov 1862)
Marquess of Breadalbane [United Kingdom, 1885] 1st: Gavin Campbell (11 Jul 1885-19 Oct 1922)
Marquess of Bristol [United Kingdom, 1826]
1st: Frederick William Hervey (30 Jun 1826-15 Feb 1859)
2nd: Frederick William Hervey (15 Feb 1859-30 Oct 1864)
3rd: Frederick William John Hervey (30 Oct 1864-7 Aug 1907)
4th: Frederick William Fane Hervey (7 Aug 1907-24 Oct 1951)
5th: Herbert Arthur Robert Hervey (24 Oct 1951-5 Apr 1960)
6th: Victor Frederick Cochrane Hervey (5 Apr 1960-10 Mar 1985)
7th: Frederick William John Augustus Hervey (10 Mar 1985-10 Jan 1999)
8th: Frederick William Augustus Hervey (10 Jan 1999- )
Marquess of Buckingham [England, 1618]
1st: George Villiers (1 Jan 1618-23 Aug 1628)
2nd: George Villiers (23 Aug 1628-16 Apr 1687)
Marquess of Buckingham, co. Buckingham [Great Britain, 1784]
1st: George Nugent-Temple-Grenville (4 Dec 1784-11 Feb 1813)
2nd: Richard Temple-Nugent-Brydges-Chandos-Grenville (11 Feb 1813-17 Jan 1839)
3rd: Richard Plantagenet Temple-Nugent-Brydges-Chandos-Grenville (17 Jan 1839-29 Jul 1861)
4th: Richard Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville (29 Jul 1861-26 Mar 1889)
Marquess of the County of Bute [Great Britain, 1796]
1st: John Stuart (27 Feb 1796-16 Nov 1814)
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- )
Marquess of Cambridge [Great Britain, 1706] 1st: George II Augustus Hanover (9 Nov 1706-25 Oct 1760)
Marquess of Cambridge [United Kingdom, 1917]
1st: Adolphus Charles Cambridge (16 Jul 1917-24 Oct 1927)
2nd: George Francis Hugh Cambridge (24 Oct 1927-16 Apr 1981)
Marquess Camden [United Kingdom, 1812]
1st: John Jeffreys Pratt (7 Sep 1812-8 Oct 1840)
2nd: George Charles Pratt (8 Oct 1840-6 Aug 1866)
3rd: John Charles Pratt (6 Aug 1866-4 May 1872)
4th: John Charles Pratt (4 May 1872-15 Dec 1943)
5th: John Charles Henry Pratt (14 Dec 1943-22 Mar 1983)
6th: David George Edward Henry Pratt (22 Mar 1983- )
Marquess of Carisbrooke [United Kingdom, 1917] 1st: Alexander Albert Mountbatten (18 Jul 1917-23 Feb 1960)
Marquess of Carmarthen [England, 1689]
1st: Thomas Osborne (9 Apr 1689-26 Jul 1712)
2nd: Peregrine Osborne (26 Jul 1712-25 Jun 1729)
3rd: Peregrine Hyde Osborne (25 Jun 1729-9 May 1731)
4th: Thomas Osborne (25 Jun 1729-23 Mar 1789)
5th: Francis Godolphin Osborne (23 Mar 1789-31 Jan 1799)
6th: George William Frederick Osborne (31 Jan 1799-10 Jul 1838)
7th: Francis Godolphin Darcy-Osborne (10 Jul 1838-12 May 1859)
8th: George Godolphin Osborne (4 May 1859-8 Aug 1872)
9th: George Godolphin Osborne (8 Aug 1872-23 Dec 1895)
10th: George Godolphin Osborne (23 Dec 1895-10 May 1927)
11th: John Francis Godophin Osborne (10 May 1927-26 Jul 1963)
12th: Francis D’Arcy Godolphin Osborne (Jul 1963-20 Mar 1964)
Marquess of Carnarvon [Great Britain, 1719]
1st: James Brydges (29 Apr 1719-9 Aug 1744)
2nd: Henry Brydges (9 Aug 1744-28 Nov 1771)
3rd: James Brydges (28 Nov 1771-29 Sep 1789)
Marquess of Catherlough [Ireland, 1715]
1st: Thomas Wharton (12 Apr 1715-12 Apr 1716)
2nd: Philip Wharton (12 Apr 1716- )
Marquess of Chandos [United Kingdom, 1822]
1st: Richard Temple-Nugent-Brydges-Chandos-Grenville (4 Feb 1822-17 Jan 1839)
2nd: Richard Plantagenet Temple-Nugent-Brydges-Chandos-Grenville (17 Jan 1839-29 Jul 1861)
3rd: Richard Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville (29 Jul 1861-26 Mar 1889)
Marquess of Cholmondeley [United Kingdom, 1815]
1st: George James Cholmondeley (22 Nov 1815-10 Apr 1827)
2nd: George Horatio Cholmondeley (10 Apr 1827-8 May 1870)
3rd: William Henry Hugh Cholmondeley (8 May 1870-16 Dec 1884)
4th: George Henry Hugh Cholmondeley (16 Dec 1884-16 Mar 1923)
5th: George Horatio Charles Cholmondeley (16 Mar 1923-16 Sep 1968)
6th: George Hugh Cholmondeley (16 Sep 1968-13 Mar 1990)
7th: David George Philip Cholmondeley (13 Mar 1990- )
Marquess of Clanricarde [Ireland, 1646] 1st: Ulrick Bourke (21 Feb 1646-29 Apr 1658)
Marquess of Clanricarde [Ireland, 1789] 1st: Henry Burgh (17 Aug 1789-8 Dec 1797)
Marquess of Clanricarde [Ireland, 1825]
1st: Ulick John Burgh (26 Nov 1825-10 Apr 1874)
2nd: Hubert George Burgh-Canning (10 Apr 1874-12 Apr 1916)
Marquess of Clare [England, 1694] 1st: John Holles (14 May 1694-15 Jul 1711)
Marquess of Clare [Great Britain, 1715] 1st: Thomas Pelham-Holles (11 Aug 1715-17 Nov 1768) with special remainder to his brother, Henry Pelham
Marquess of Cleveland [United Kingdom, 1827]
1st: William Henry Vane (5 Oct 1827-29 Jan 1842)
2nd: Henry Vane (29 Jan 1842-18 Jan 1864)
3rd: William John Frederick Vane (18 Jan 1864-6 Sep 1864)
4th: Harry George Powlett (6 Sep 1864-21 Aug 1891)
Marquess of Clydesdale [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- )
Marquess Conyngham [Ireland, 1816]
1st: Henry Conyngham (15 Jan 1816-28 Dec 1832)
2nd: Francis Nathaniel Conyngham (11 Oct 1861-17 Jul 1876)
3rd: George Henry Conyngham (17 Jul 1876-2 Jun 1882)
4th: Henry Francis Conyngham (2 Jun 1882-28 Aug 1897)
5th: Victor George Henry Francis Conyngham (28 Aug 1897-9 Nov 1918)
6th: Frederick William Burton Conyngham (9 Nov 1918-1 Apr 1974)
7th: Frederick William Henry Francis Conyngham (1 Apr 1974-3 Mar 2009)
8th: Henry Vivien Pierpont Conyngham (3 Mar 2009- )
Marquess Cornwallis [Great Britain, 1792]
1st: Charles Cornwallis (8 Oct 1792-5 Oct 1805)
2nd: Charles Cornwallis (5 Oct 1805-9 Aug 1823)
Marquess of Crewe [United Kingdom, 1911] 1st: Robert Offley Ashburton Crewe-Milnes (22 Jun 1911-20 Jun 1945)
Marquess Curzon of Kedleston, co. Derby [United Kingdom, 1912] 1st: George Nathaniel Curzon (28 Jun 1912-20 Mar 1925)
Marquess of Dalhousie of Dalhousie Castle, co. Edinburgh and of the Punjaub [United Kingdom, 1849] 1st: James Andrew Ramsay (25 Aug 1849-22 Dec 1860)
Marquess of Donegall [Ireland, 1791]
1st: Arthur Chichester (4 Jul 1791-5 Jan 1799)
2nd: George Augustus Chichester (5 Jan 1799-5 Oct 1844)
3rd: George Hamilton Chichester (5 Oct 1844-20 Oct 1883)
4th: Edward Chichester (20 Oct 1883-20 Jan 1889)
5th: George Augustus Chichester (20 Jan 1889-13 May 1904)
6th: Edward Arthur Donald St. George Chichester (13 May 1904-24 May 1975)
7th: Dermot Richard Claud Chichester (24 May 1975-19 Apr 2007)
8th: Arthur Patrick Chichester (19 Apr 2007- )
Marquess of Dorset [England, 1397] 1st: John Beaufort (29 Sep 1397-16 Mar 1410)
Marquess of Dorset [England, 1443] 1st: Edmund Beaufort (24 Jun 1443-22 May 1455)
Marquess of Douglas [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- )
Marquess of Douro [United Kingdom, 1814]
1st: Arthur Wellesley (11 May 1814-14 Sep 1852)
2nd: Arthur Richard Wellesley (14 Sep 1852-13 Aug 1884)
3rd: Henry Wellesley (13 Aug 1884-8 Jun 1900)
4th: Arthur Charles Wellesley (8 Jun 1900-18 Jun 1934)
5th: Arthur Charles Wellesley (18 Jun 1934-11 Dec 1941)
6th: Henry Valerian George Wellesley (11 Dec 1941-16 Sep 1943)
7th: Gerald Wellesley (16 Sep 1943-4 Jan 1972)
8th: Arthur Valerian Wellesley (4 Jan 1972-31 Dec 2014)
9th: Arthur Charles Valerian Wellesley (31 Dec 2014- )
Marquess of Downshire [Ireland, 1789]
1st: Wills Hill (20 Aug 1789-7 Oct 1793)
2nd: Arthur Hill (7 Oct 1793-7 Sep 1801)
3rd: Arthur Blundell Sandys Trumbull Hill (7 Sep 1801-12 Apr 1845)
4th: Arthur Wills Blundell Sandys Trumbull Windsor Hill (12 Apr 1845-6 Aug 1868)
5th: Arthur Wills Blundell Sandys Roden Hill (6 Aug 1868-31 Mar 1874)
6th: Arthur Wills John Wellington Trumbull Hill (31 Mar 1874-29 May 1918)
7th: Arthur Wills Percy Wellington Blundell Trumbull Sandys Hill (29 May 1918-28 Mar 1989)
8th: Arthur Robin Ian Hill (28 Mar 1989-18 Dec 2003)
9th: Arthur Francis Nicholas Wills Ian Hill (18 Dec 2003- )
Marquess of Drogheda [Ireland, 1791]
1st: Charles Moore (5 Jul 1791-22 Dec 1822)
2nd: Edward Moore (22 Dec 1822-6 Feb 1837)
3rd: Henry Francis Seymour Moore (6 Feb 1837-29 Jun 1892)
Marquess of Dublin [England, 1385] 1st: Robert Vere (1 Dec 1385-1392) for life
Marquess of Dufferin and Ava [United Kingdom, 1888]
1st: Frederick Temple Hamilton-Temple-Blackwood (17 Nov 1888-12 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)
Marquess of Dumfriesshire [Scotland, 1684]
1st: William Douglas (3 Nov 1684-28 Mar 1695)
2nd: James Douglas (28 Mar 1695-6 Jul 1711)
3rd: Charles Douglas (6 Jul 1711-22 Oct 1778)
4th: William Douglas (22 Oct 1778-23 Dec 1810)
5th: Henry Scott (23 Dec 1810-11 Jan 1812)
6th: Charles William Henry Montagu-Scott (11 Jan 1812-20 Apr 1819)
7th: Walter Francis Montagu Douglas Scott (20 Apr 1819-16 Apr 1884)
8th: William Henry Walter Montagu Douglas Scott (16 Apr 1884-5 Nov 1914)
9th: John Charles Montagu Douglas Scott (5 Nov 1914-19 Oct 1935)
10th: Walter John Montagu Douglas Scott (19 Oct 1935-4 Oct 1973)
11th: Walter Francis John Montagu Douglas Scott (4 Oct 1973-4 Sep 2007)
12th: Richard Walter John Montagu Douglas Scott (4 Sep 2007- )
Marquess of Ely [Ireland, 1801]
1st: Charles Loftus (1 Jan 1801-22 Mar 1806)
2nd: John Loftus (22 Mar 1806-26 Sep 1845)
3rd: John Henry Loftus (26 Sep 1845-15 Jul 1857)
4th: John Henry Wellington Graham Loftus (15 Jul 1857-3 Apr 1889)
5th: John Henry Loftus (3 Apr 1889-18 Dec 1925)
6th: George Herbert Loftus (18 Dec 1925-10 Apr 1935)
7th: George Henry Wellington Loftus (10 Apr 1935-31 May 1969)
8th: Charles John Tottenham (31 May 1969-1 Feb 2006)
9th: Charles John Tottenham (1 Feb 2006- )
Marquess of Exeter [England, 1525] 1st: Henry Courtenay (18 Jun 1525-9 Jan 1539)
Marquess of Exeter [United Kingdom, 1801]
1st: Henry Cecil (4 Feb 1801-1 May 1804)
2nd: Brownlow Cecil (1 May 1804-16 Jan 1867)
3rd: William Alleyne Cecil (16 Jan 1867-14 Jul 1895)
4th: Brownlow Henry George Cecil (14 Jul 1895-9 Apr 1918)
5th: William Thomas Brownlow Cecil (9 Apr 1918-6 Aug 1956)
6th: David George Brownlow Cecil (6 Aug 1956-21 Oct 1981)
7th: William Martin Alleyne Cecil (21 Oct 1981-1988)
8th: William Michael Anthony Cecil (1988- )
Marquess of Fife [Scotland, 1567] 1st: James Hepburn (12 May 1567-14 Apr 1578)
Marquess of Graham and Buchanan [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- )
Marquess of Granby, co. Nottingham [England, 1703]
1st: John Manners (29 Mar 1703-10 Jan 1711)
2nd: John Manners (10 Jan 1711-22 Feb 1721)
3rd: John Manners (22 Feb 1721-29 May 1779)
4th: Charles Manners (29 May 1779-24 Oct 1787)
5th: John Henry Manners (24 Oct 1787-20 Jan 1857)
6th: Charles Cecil John Manners (20 Jan 1857-3 Mar 1888)
7th: John James Robert Manners (3 Mar 1888-4 Apr 1906)
8th: Henry John Brinsley Manners (4 Aug 1906-8 May 1925)
9th: John Henry Montagu Manners (8 May 1925-22 Apr 1940)
10th: Charles John Robert Manners (22 Apr 1940-2 Jan 1999)
11th: David Charles Robert Manners (3 Jan 1999- )
Marquess Grey [Great Britain, 1740]
1st: Henry Grey (19 May 1740-5 Jun 1740) with a special remainder to his granddaughter Jemima Campbell
2nd: Jemima Campbell (5 Jun 1740-10 Jan 1797)
Marquess of Halifax [England, 1682]
1st: George Saville (17 Aug 1682-5 Apr 1695)
2nd: William Saville (5 Apr 1695-31 Aug 1700)
Marquess of Hamilton [Scotland, 1599]
1st: John Hamilton (17 Apr 1599-6 Apr 1604)
2nd: James Hamilton (6 Apr 1604-2 Mar 1625)
3rd: James Hamilton (2 Mar 1625-9 Mar 1649)
4th: William Hamilton (9 Mar 1649-12 Sep 1651)
Marquess of Hamilton, of Strabane, co. Tyrone [Ireland, 1868]
1st: James Hamilton (10 Aug 1868-31 Oct 1885)
2nd: James Hamilton (31 Oct 1885-3 Jan 1913)
3rd: James Albert Edward Hamilton (3 Jan 1913-12 Sep 1953)
4th: James Edward Hamilton (12 Sep 1953-4 Jun 1979)
5th: James Hamilton (4 Jun 1979- )
Marquess of Hartington, co. Derby [England, 1694]
1st: William Cavendish (12 May 1694-18 Aug 1707)
2nd: William Cavendish (18 Aug 1707-4 Jun 1729)
3rd: William Cavendish (4 Jun 1729-5 Dec 1755)
4th: William Cavendish (5 Dec 1755-2 Oct 1764)
5th: William Cavendish (2 Oct 1764-29 Jul 1811)
6th: William George Spencer Cavendish (29 Jul 1811-18 Jan 1858)
7th: William Cavendish (18 Jan 1858-21 Dec 1891)
8th: Spencer Compton Cavendish (21 Dec 1891-24 Mar 1908)
9th: Victor Christian William Cavendish (24 Mar 1908-6 May 1938)
10th: Edward William Spencer Cavendish (6 May 1938-26 Nov 1950)
11th: Andrew Robert Buxton Cavendish (26 Nov 1950-3 May 2004)
12th: Peregrine Andrew Morny Cavendish (3 May 2004- )
Marquess of Hastings [United Kingdom, 1817]
1st: Francis Rawdon-Hastings (13 Apr 1817-28 Nov 1826)
2nd: George Augustus Francis Rawdon-Hastings (28 Nov 1826-13 Jan 1844)
3rd: Paulyn Reginald Serlo Rawdon-Hastings (13 Jan 1844-17 Jan 1851)
4th: Henry Weysford Charles Plantagenet Rawdon-Hastings (bt 1851-1851-10 Nov 1868)
Marquess of Headfort [Ireland, 1800]
1st: Thomas Taylour (29 Dec 1800-24 Oct 1829)
2nd: Thomas Taylour (24 Oct 1829-6 Dec 1870)
3rd: Thomas Taylour (6 Dec 1870-22 Jul 1894)
4th: Geoffrey Thomas Taylour (22 Jul 1894-29 Jan 1943)
5th: Terence Geoffrey Thomas Taylour (29 Jan 1943-24 Oct 1960)
6th: Thomas Geoffrey Charles Michael Taylour (24 Oct 1960-21 Oct 2005)
7th: Thomas Michael Ronald Christopher Taylour (21 Oct 2005- )
Marquess of Hertford [England, 1641]
2nd: William Seymour (24 Oct 1660-12 Dec 1671)
3rd: John Seymour (12 Dec 1671-29 Apr 1675)
Marquess of Hertford [Great Britain, 1793]
1st: Francis Seymour-Conway (5 Jul 1793-14 Jun 1794)
2nd: Francis Seymour-Ingram (14 Jun 1794-28 Jun 1822)
3rd: Francis Charles Seymour-Conway (17 Jun 1822-1 Mar 1842)
4th: Richard Seymour-Conway (1 Mar 1842-25 Aug 1870)
5th: Francis George Hugh Seymour (25 Aug 1870-25 Jan 1884)
6th: Hugh de Grey Seymour (25 Jan 1884-23 Mar 1912)
7th: George Francis Alexander Seymour (23 Mar 1912-16 Feb 1940)
8th: Hugh Edward Conway Seymour (18 Jun 1939-22 Dec 1997)
9th: Henry Jocelyn Seymour (22 Dec 1997- )
Marquess of Huntly [Scotland, 1599]
1st: George Gordon (17 Apr 1599-13 Jun 1636)
2nd: George Gordon (13 Jun 1636-22 Mar 1649)
3rd: Lewis Gordon (25 Mar 1651-Dec 1653) after being restored to his titles
4th: George Gordon (Dec 1653-7 Dec 1716)
5th: Alexander Gordon (7 Dec 1716-28 Nov 1728)
6th: Cosmo George Gordon (28 Nov 1728-5 Aug 1752)
7th: Alexander Gordon (5 Aug 1752-17 Jun 1827)
8th: George Gordon (17 Jun 1827-28 May 1836)
9th: George Gordon (28 May 1836-17 Jun 1853)
10th: Charles Gordon (17 Jun 1853-18 Sep 1863)
11th: Charles Gordon (18 Sep 1863-20 Feb 1937)
12th: Douglas Charles Lindsey Gordon (20 Feb 1937-26 Jan 1987)
13th: Granville Charles Gomer Gordon (26 Jan 1987- )
Marquess of Huntly [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)
Marquess of the Isle of Ely [Great Britain, 1726] 1st: Frederick Louis Hanover (12 Jul 1726-20 Mar 1751)
Marquess of Kent [Great Britain, 1706] 1st: Henry Grey (14 Nov 1706-5 Jun 1740)
Marquess of Kildare [Ireland, 1761]
1st: James FitzGerald (3 Mar 1761-19 Nov 1773)
2nd: William Robert FitzGerald (19 Nov 1773-20 Oct 1804)
3rd: Augustus Frederick FitzGerald (20 Oct 1804-10 Oct 1874)
4th: Charles William FitzGerald (10 Oct 1874-10 Feb 1887)
5th: Gerald FitzGerald (10 Feb 1887-1 Dec 1893)
6th: Maurice FitzGerald (1 Dec 1893-4 Feb 1922)
7th: Edward FitzGerald (4 Feb 1922-8 Mar 1976)
8th: Gerald FitzGerald (8 Mar 1976-3 Dec 2004)
9th: Maurice FitzGerald (3 Dec 2004- )
Marquess of Kintyre and Lorn [Scotland, 1701]
1st: Archibald Campbell (23 Jun 1701-25 Sep 1703)
2nd: John Campbell (25 Sep 1703-4 Oct 1743)
3rd: Archibald Campbell (4 Oct 1743-15 Apr 1761)
4th: John Campbell (15 Apr 1761-9 Nov 1770)
5th: John Campbell (9 Nov 1770-24 May 1806)
6th: George William Campbell (24 May 1806-22 Oct 1839)
6th: George William Campbell (24 May 1806-22 Oct 1839)
7th: John Douglas Edward Henry Campbell (22 Oct 1839-25 Apr 1847)
8th: George John Douglas Campbell (25 Apr 1847-24 Apr 1900)
9th: John George Edward Henry Douglas Sutherland Campbell (24 Apr 1900-2 May 1914)
10th: Niall Diarmid Campbell (2 May 1914-20 Aug 1949)
11th: Ian Douglas Campbell (20 Aug 1949-7 Apr 1973)
12th: Ian Campbell (7 Apr 1973-21 Apr 2001)
13th: Torquhil Ian Campbell (21 Apr 2001- )
Marquess of Lansdowne, co. Somerset [Great Britain, 1784]
1st: William Petty (6 Dec 1784-7 May 1805)
2nd: John Henry Petty (7 May 1805-15 Nov 1809)
3rd: Henry Petty-FitzMaurice (15 Nov 1809-31 Jan 1863)
4th: Henry Petty-FitzMaurice (31 Jan 1863-5 Jul 1866)
5th: Henry Charles Keith Petty-FitzMaurice (5 Jul 1866-3 Jun 1927)
6th: Henry William Edmund Petty-FitzMaurice (3 Jun 1927-5 Mar 1936)
7th: Charles Hope Petty-FitzMaurice (5 Mar 1936-20 Aug 1944)
8th: George John Charles Mercer Nairne Petty-FitzMaurice (20 Aug 1944-25 Aug 1999)
9th: Charles Maurice Petty-FitzMaurice (25 Aug 1999- )
Marquess of Lincolnshire [United Kingdom, 1912] 1st: Charles Robert Wynn-Carington (26 Feb 1912-13 Jun 1928)
Marquess of Lindsey [Great Britain, 1706]
1st: Robert Bertie (21 Dec 1706-26 Jul 1723) with a special remainder to the heirs of his father and mother
2nd: Peregrine Bertie (26 Jul 1723-1 Jan 1742)
3rd: Peregrine Bertie (1 Jan 1742-12 Aug 1778)
4th: Robert Bertie (12 Aug 1778-8 Jul 1779)
5th: Brownlow Bertie (8 Jul 1779-8 Feb 1809)
Marquess of Linlithgow [United Kingdom, 1902]
1st: John Adrian Louis Hope (27 Oct 1902-29 Feb 1908)
2nd: Victor Alexander John Hope (29 Feb 1908-5 Jan 1952)
3rd: Charles William Frederick Hope (5 Jan 1952-7 Apr 1987)
4th: Adrian John Charles Hope (1987- )
Marquess of Londonderry [Ireland, 1816]
1st: Robert Stewart (3 Mar 1816-8 Apr 1821)
2nd: Robert Stewart (6 Apr 1821-12 Aug 1822)
3rd: Charles William Vane (12 Aug 1822-6 Mar 1854)
4th: Frederick William Robert Stewart (6 Mar 1854-25 Nov 1872)
5th: George Henry Robert Charles William Vane-Tempest (25 Nov 1872-6 Nov 1884)
6th: Charles Stewart Vane-Tempest-Stewart (6 Nov 1884-8 Feb 1915)
7th: Charles Stewart Henry Vane-Tempest-Stewart (8 Feb 1915-11 Feb 1949)
8th: Edward Charles Robert Vane-Tempest-Stewart (11 Feb 1949-17 Oct 1955)
9th: Alexander Charles Robert Vane-Tempest-Stewart (17 Oct 1955-20 Jun 2012)
10th: Frederick Aubrey Vane-Tempest-Stewart (20 Jun 2012- )
Marquess of Lothian [Scotland, 1701]
1st: Robert Kerr (23 Jun 1701-15 Feb 1703)
2nd: William Kerr (15 Feb 1703-28 Feb 1722)
3rd: William Kerr (28 Feb 1722-28 Jul 1767)
4th: William Henry Kerr (28 Jul 1767-12 Apr 1775)
5th: William John Kerr (12 Apr 1775-4 Jan 1815)
6th: William Kerr (4 Jan 1815-27 Apr 1824)
7th: John William Robert Kerr (27 Apr 1824-14 Nov 1841)
8th: William Schomberg Robert Kerr (14 Nov 1841-4 Jul 1870)
9th: Schomberg Henry Kerr (6 Jul 1870-17 Jan 1900)
10th: Robert Henry Schomberg Kerr (17 Jan 1900-16 Mar 1930)
11th: Philip Henry Kerr (16 Mar 1930-12 Dec 1940)
12th: Peter Francis Walter Kerr (12 Dec 1940-11 Oct 2004)
13th: Michael Andrew Foster Jude Kerr (11 Oct 2004- )
Marquess of Macduff, co. Fife [United Kingdom, 1889] 1st: Alexander William George Duff (27 Jul 1889-29 Jan 1912)
Marquess of Malmesbury, co. Wilts [Great Britain, 1715]
1st: Thomas Wharton (15 Feb 1715-12 Apr 1716)
2nd: Philip Wharton (12 Apr 1716- )
Marquess of March [Scotland, 1672] 1st: John Maitland (26 Mar 1672-24 Aug 1682)
Marquess of Milford Haven [United Kingdom, 1917]
1st: Louis Alexander Mountbatten (17 Jul 1917-11 Sep 1921)
2nd: George Louis Victor Henry Serge Mountbatten (11 Sep 1921-8 Apr 1938)
3rd: David Michael Mountbatten (8 Apr 1938-14 Apr 1970)
4th: George Ivar Louis Mountbatten (14 Apr 1970- )
Marquess of Montagu [England, 1470]
1st: John Neville (25 Mar 1470-14 Apr 1471) in compensation for the loss of the Earldom of Northumberland, although this new title did not come with any estates in support
2nd: George Neville (14 Apr 1471-4 May 1483)
Marquess of Monthermer [England, 1705]
1st: Ralph Montagu (14 Apr 1705-9 Mar 1709)
2nd: John Montagu (9 Mar 1709-5 Jul 1749)
Marquess of Monthermer [Great Britain, 1766] 1st: George Montagu (5 Nov 1766-23 May 1790)
Marquess of Montrose [Scotland, 1644]
1st: James Graham (6 May 1644-21 May 1650)
2nd: James Graham (21 May 1650-Feb 1669)
3rd: James Graham (Feb 1669-25 Apr 1684)
4th: James Graham (25 Apr 1684-7 Jan 1742)
5th: William Graham (7 Jan 1742-23 Sep 1790)
6th: James Graham (23 Sep 1790-30 Dec 1836)
7th: James Graham (30 Dec 1836-30 Dec 1874)
8th: Douglas Beresford Malise Ronald Graham (30 Dec 1874-10 Dec 1925)
9th: James Graham (Dec 1925-20 Jan 1954)
10th: James Angus Graham (20 Jan 1954-10 Feb 1992)
11th: James Graham (1992- )
Marquess of Newcastle-on-Tyne [England, 1643]
1st: William Cavendish (27 Oct 1643-25 Dec 1676)
2nd: Henry Cavendish (25 Dec 1676-26 Jul 1691)
Marquess of Normanby, co. Lincoln [England, 1694] 1st: John Sheffield (10 May 1694-24 Feb 1721)
Marquess of Normanby, co. York [United Kingdom, 1838]
1st: Constantine Henry Phipps (25 Jun 1838-28 Jul 1863)
2nd: George Augustus Constantine Phipps (28 Jul 1863-3 Apr 1890)
3rd: Constantine Charles Henry Phipps (3 Apr 1890-25 Aug 1932)
4th: Oswald Constantine John Phipps (25 Aug 1932-30 Jan 1994)
5th: Constantine Edmund Walter Phipps (1994- )
Marquess of Northampton [England, 1547] 1st: William Parr (16 Feb 1547-28 Oct 1571)
Marquess of the county of Northampton [United Kingdom, 1812]
1st: Charles Compton (7 Sep 1812-24 May 1828)
2nd: Spencer Joshua Alwyne Compton (24 May 1828-17 Jan 1851)
3rd: Charles Douglas-Compton (17 Jan 1851-3 Mar 1877)
4th: William Compton (3 Mar 1877-11 Sep 1897)
5th: William George Spencer Scott Compton (11 Sep 1897-15 Jun 1913)
6th: William Bingham Compton (15 Jun 1913-30 Jan 1978)
7th: Spencer Douglas David Compton (30 Jan 1978- )
Marquess of Ormond [Scotland, 1600] 1st: Charles I Stuart (23 Dec 1600-30 Jan 1649)
Marquess of Ormonde [Ireland, 1642]
1st: James Butler (30 Aug 1642-21 Jul 1688)
2nd: James Butler (21 Jul 1688-16 Nov 1745)
3rd: Charles Butler (16 Nov 1745-17 Dec 1758) de jure
Marquess of Ormonde [United Kingdom, 1816] 1st: Walter Butler (Jan 1816-10 Aug 1820)
Marquess of Ormonde [United Kingdom, 1825]
1st: James Wandesford Butler (29 Oct 1825-18 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)
Marquess of Pembroke [England, 1532] 1st: Anne Boleyn (1 Sep 1532-19 May 1536) in tail male
Marquess of Powis [England, 1686]
2nd: William Herbert (2 Jun 1696-22 Oct 1745)
3rd: William Herbert (22 Oct 1745-8 Mar 1748)
Marquess of Powis [England, 1687] 1st: William Herbert (24 Mar 1687-2 Jun 1696)
Marquess of Queensberry [Scotland, 1681]
2nd: James Douglas (28 Mar 1695-6 Jul 1711)
3rd: James Douglas (6 Jul 1711-c 14 Feb 1715)
4th: Charles Douglas (c 14 Feb 1715-22 Oct 1778)
5th: William Douglas (22 Oct 1778-23 Dec 1810)
6th: Charles Douglas (23 Dec 1810-3 Dec 1837)
7th: John Douglas (3 Dec 1837-19 Dec 1856)
8th: Archibald William Douglas (19 Dec 1856-6 Aug 1858)
9th: John Sholto Douglas (6 Aug 1858-31 Jan 1900)
10th: Percy Sholto Douglas (31 Jan 1900-1 Aug 1920)
11th: Francis Archibald Kelhead Douglas (1 Aug 1920-27 Apr 1954)
12th: David Harrington Angus Douglas (27 Apr 1954- )
Marquess of Queensberry [Scotland, 1682] 1st: William Douglas (11 Feb 1682-28 Mar 1695)
Marquess of Reading [United Kingdom, 1926]
1st: Rufus Daniel Isaacs (7 May 1926-30 Dec 1935)
2nd: Gerald Rufus Isaacs (30 Dec 1935-19 Sep 1960)
3rd: Michael Alfred Rufus Isaacs (19 Sep 1960-2 Jul 1980)
4th: Simon Charles Henry Rufus Isaacs (2 Jul 1980- )
Marquess of Ripon [United Kingdom, 1871]
1st: George Frederick Samuel Robinson (23 Jun 1871-9 Jul 1909)
2nd: Frederick Oliver Robinson (9 Jul 1909-22 Sep 1923)
Marquess of Rockingham [Great Britain, 1746]
1st: Thomas Watson-Wentworth (Feb 1746-14 Dec 1750)
2nd: Charles Watson-Wentworth (14 Dec 1750-1 Jul 1782)
Marquess of Salisbury [Great Britain, 1789]
1st: James Cecil (25 Aug 1789-13 Jun 1823)
2nd: James Brownlow William Gascoyne-Cecil (13 Jun 1823-12 Apr 1868)
3rd: Robert Arthur Talbot Gascoyne-Cecil (12 Apr 1868-22 Aug 1903)
4th: James Edward Hubert Gascoyne-Cecil (22 Aug 1903-4 Apr 1947)
5th: Robert Arthur James Gascoyne-Cecil (4 Apr 1947-23 Feb 1972)
6th: Robert Edward Peter Gascoyne-Cecil (23 Feb 1972-11 Jul 2003)
7th: Robert Michael James Gascoyne-Cecil (11 Jul 2003- )
Marquess of Sligo [Ireland, 1800]
1st: John Denis Browne (31 Dec 1800-2 Jun 1809)
2nd: Howe Peter Browne (2 Jun 1809-26 Jan 1845)
3rd: George John Browne (26 Jan 1845-30 Dec 1896)
4th: John Thomas Browne (30 Dec 1896-30 Dec 1903)
5th: Henry Ulick Browne (30 Dec 1903-24 Feb 1913)
6th: George Ulick Browne (24 Feb 1913-26 Feb 1935)
7th: Ulick de Burgh Browne (26 Feb 1935-7 Jan 1941)
8th: Arthur Howe Browne (7 Jan 1941-28 May 1951)
9th: Terence Morris Browne (28 May 1951-28 Jul 1952)
10th: Denis Edward Browne (28 Jul 1952-11 Sep 1991)
11th: Jeremy Ulick Browne (11 Sep 1991-13 Jul 2014)
12th: Sebastian Ulick Browne (13 Jul 2014- )
Marquess of Somerset [England, 1397] 1st: John Beaufort (29 Sep 1397-16 Mar 1410)
Marquess of Stafford [Great Britain, 1746] 6th: George Granville Sutherland-Leveson-Gower (27 Jun 1913-1 Feb 1963)
Marquess of Stafford [Great Britain, 1786]
1st: Granville Leveson-Gower (1 Mar 1786-26 Oct 1803)
2nd: George Granville Leveson-Gower (26 Oct 1803-19 Jul 1833)
3rd: George Granville Sutherland-Leveson-Gower (19 Jul 1833-22 Feb 1861)
4th: George Granville William Sutherland-Leveson-Gower (22 Feb 1861-22 Sep 1892)
5th: Cromartie Sutherland-Leveson-Gower (22 Sep 1892-27 Jun 1913)
7th: John Sutherland Egerton (24 Aug 1944-21 Sep 2000)
8th: Francis Ronald Egerton (21 Sep 2000- )
Marquess of Tavistock [England, 1694]
1st: William Russell (11 May 1694-7 Sep 1700)
2nd: Wriothesley Russell (7 Sep 1700-26 May 1711)
3rd: Wriothesley Russell (26 May 1711-23 Oct 1732)
4th: John Russell (23 Oct 1732-14 Jan 1771)
5th: Francis Russell (14 Jan 1771-2 Mar 1802)
6th: John Russell (2 Mar 1802-20 Oct 1839)
7th: Francis Russell (20 Oct 1839-14 May 1861)
8th: William Russell (14 May 1861-27 May 1872)
9th: Francis Charles Hastings Russell (27 May 1872-14 Jan 1891)
10th: George William Francis Sackville Russell (14 Jan 1891-23 Mar 1893)
11th: Herbrand Arthur Russell (23 Mar 1893-27 Aug 1940)
12th: Hastings William Sackville Russell (27 Aug 1940-9 Oct 1953)
13th: John Ian Robert Russell (9 Oct 1953-25 Oct 2002)
14th: Henry Robin Ian Russell (25 Oct 2002-13 Jun 2003)
15th: Andrew Ian Henry Russell (13 Jun 2003- )
Marquess of Thomond [Ireland, 1800]
1st: Murrough O’Brien (29 Dec 1800-10 Feb 1808) with a special remainder to his brothers
2nd: William O’Brien (10 Feb 1808-21 Aug 1846)
3rd: James O’Brien (21 Aug 1846-3 Jul 1855)
Marquess of Tillibardin, co. Perth [Scotland, 1703]
1st: John Murray (30 Jun 1703-14 Nov 1724)
2nd: James Murray (9 Jul 1746-8 Jan 1764)
3rd: John Murray (8 Jan 1764-5 Nov 1774)
4th: John Murray (5 Nov 1774-29 Sep 1830)
5th: John Murray (29 Sep 1830-14 Sep 1846)
6th: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
7th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
8th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
9th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)
10th: George Iain Murray (8 May 1957-27 Feb 1996)
11th: John Murray (27 Feb 1996-15 May 2012)
12th: Bruce George Ronald Murray (15 May 2012- )
Marquess of Titchfield, co. Southampton [Great Britain, 1716]
1st: Henry Bentinck (6 Jul 1716-4 Jul 1726)
2nd: William Bentinck (4 Jul 1726-1 May 1762)
3rd: William Henry Cavendish-Bentinck (1 May 1762-30 Oct 1809)
4th: William Henry Cavendish-Scott-Bentinck (30 Oct 1809-27 Mar 1854)
5th: William John Cavendish Cavendish-Scott-Bentinck (27 Mar 1854-6 Dec 1879)
6th: William John Arthur Charles James Cavendish-Bentinck (6 Dec 1879-26 Apr 1943)
7th: William Arthur Henry Cavendish-Bentinck (26 Apr 1943-21 Mar 1977)
8th: Ferdinand William Cavendish-Bentinck (21 Mar 1977-13 Dec 1980)
9th: Victor Frederick William Cavendish-Bentinck (13 Dec 1980-30 Jul 1990)
Marquess Townshend, co. Norfolk [Great Britain, 1787] 5th: John Villiers Stuart Townshend (10 Sep 1863-26 Oct 1899)
Marquess Townshend of Raynham, co. Norfolk [Great Britain, 1787]
1st: George Townshend (31 Oct 1787-14 Sep 1807)
2nd: George Townshend (14 Sep 1807-27 Jul 1811)
3rd: George Ferrars Townshend (27 Jul 1811-31 Dec 1855)
4th: John Townshend (31 Dec 1855-10 Sep 1863)
6th: John James Dudley Stuart Townshend (26 Oct 1899-17 Nov 1921)
7th: George John Patrick Dominic Townshend (17 Nov 1921-23 Apr 2010)
8th: Charles George Townshend (23 Apr 2010- )
Marquess of Tweeddale [Scotland, 1694]
1st: John Hay (17 Dec 1694-11 Aug 1697)
2nd: John Hay (11 Aug 1697-20 Apr 1713)
3rd: Charles Hay (20 Apr 1713-17 Dec 1715)
4th: John Hay (17 Dec 1715-9 Dec 1762)
5th: George Hay (9 Dec 1762-4 Oct 1770)
6th: George Hay (4 Oct 1770-16 Nov 1787)
7th: George Hay (16 Nov 1787-9 Aug 1804)
8th: George Hay (9 Aug 1804-10 Oct 1876)
9th: Arthur Hay (10 Oct 1876-29 Dec 1878)
10th: William Montagu Hay (29 Dec 1878-25 Nov 1911)
11th: William George Montagu Hay (25 Nov 1911-30 Mar 1967)
12th: David George Montagu Hay (30 Mar 1967-23 Jan 1979)
13th: Edward Douglas John Hay (23 Jan 1979-1 Feb 2005)
14th: Charles David Montagu Hay (1 Feb 2005- )
Marquess of Waterford [Ireland, 1786]
2nd: Henry de la Poer Beresford (3 Dec 1800-16 Jul 1826)
3rd: Henry de la Poer Beresford (16 Jul 1826-29 Mar 1859)
4th: John Beresford (29 Mar 1859-6 Nov 1866)
5th: John Henry de la Poer Beresford (6 Nov 1866-23 Oct 1895)
6th: Henry de la Poer Beresford (23 Oct 1895-1 Dec 1911)
7th: John Charles de la Poer Beresford (1 Dec 1911-25 Sep 1934)
8th: John Hubert de la Poer Beresford (25 Sep 1934-12 Feb 2015)
9th: Henry Nicholas de la Poer Beresford (12 Feb 2015- )
Marquess of Waterford [Ireland, 1789] 1st: George de la Poer Beresford (19 Aug 1789-3 Dec 1800)
Marquess Wellesley of Norragh [Ireland, 1799] 1st: Richard Wellesley (2 Dec 1799-26 Sep 1842)
Marquess of Wellington [United Kingdom, 1812]
1st: Arthur Wellesley (3 Oct 1812-14 Sep 1852)
2nd: Arthur Richard Wellesley (14 Sep 1852-13 Aug 1884)
3rd: Henry Wellesley (13 Aug 1884-8 Jun 1900)
4th: Arthur Charles Wellesley (8 Jun 1900-18 Jun 1934)
5th: Arthur Charles Wellesley (18 Jun 1934-11 Dec 1941)
6th: Henry Valerian George Wellesley (11 Dec 1941-16 Sep 1943)
7th: Gerald Wellesley (16 Sep 1943-4 Jan 1972)
8th: Arthur Valerian Wellesley (4 Jan 1972-31 Dec 2014)
9th: Arthur Charles Valerian Wellesley (31 Dec 2014- )
Marquess of Westmeath [United Kingdom, 1822] 1st: George Thomas John Nugent (12 Jan 1822-5 May 1871)
Marquess of Westminster [United Kingdom, 1831]
1st: Robert Grosvenor (13 Sep 1831-17 Feb 1845)
2nd: Richard Grosvenor (17 Feb 1845-31 Oct 1869)
3rd: Hugh Lupus Grosvenor (17 Feb 1845-22 Dec 1899)
4th: Hugh Richard Arthur Grosvenor (22 Dec 1899-19 Jul 1953)
5th: William Grosvenor (19 Jul 1953-22 Feb 1963)
6th: Gerald Hugh Grosvenor (22 Feb 1963-25 Feb 1967)
7th: Robert George Grosvenor (25 Feb 1967-19 Feb 1979)
8th: Gerald Cavendish Grosvenor (19 Feb 1979-10 Aug 2016)
9th: Hugh Richard Louis Grosvenor (10 Aug 2016- )
Marquess of Wharton, co. Westmorland [Great Britain, 1715]
1st: Thomas Wharton (15 Feb 1715-12 Apr 1716)
2nd: Philip Wharton (12 Apr 1716- )
Marquess of Wigtown [Scotland, 1602] 1st: Robert Bruce Stuart (2 May 1602-27 May 1602)
Marquess of Willingdon [United Kingdom, 1936]
1st: Freeman Freeman-Thomas (26 Mar 1936-12 Aug 1941)
2nd: Inigo Brassey Freeman-Thomas (12 Aug 1941-19 Mar 1979)
Marquess of Winchester [England, 1551]
1st: William Paulet (11 Oct 1551-10 Mar 1572)
2nd: John Paulet (10 Mar 1572-4 Nov 1576)
3rd: William Paulet (10 Oct 1592-24 Nov 1598)
4th: William Paulet (24 Nov 1598-4 Feb 1628)
5th: John Paulet (4 Feb 1629-5 Mar 1675)
6th: Charles Powlett (5 Mar 1675-27 Feb 1699)
7th: Charles Powlett (27 Feb 1699-21 Jan 1722)
8th: Charles Powlett (21 Jan 1722-26 Aug 1754)
9th: Harry Powlett (26 Aug 1754-9 Oct 1759)
10th: Charles Powlett (9 Oct 1759-5 Jul 1765)
11th: Harry Powlett (5 Jul 1765-25 Dec 1794)
12th: George Paulet (24 Dec 1794-22 Apr 1800)
13th: Charles Ingoldsby Paulet (22 Apr 1800-29 Nov 1843)
14th: John Paulet (29 Nov 1843-4 Jul 1887)
15th: Augustus John Henry Beaumont Paulet (4 Jul 1887-11 Dec 1899)
16th: Henry William Montagu Paulet (11 Dec 1899-28 Jun 1962)
17th: Richard Charles Paulet (28 Jun 1962-5 Mar 1968)
18th: Nigel George Paulet (5 Mar 1968-8 Apr 2016)
19th: Christopher John Hilton Paulet (8 Apr 2016- )
Marquess of Worcester [England, 1643]
1st: Henry Somerset (2 Mar 1643-18 Dec 1646) after advancing huge sums of money to King Charles I
2nd: Edward Somerset (18 Dec 1646-3 Apr 1667)
3rd: Henry Somerset (3 Apr 1667-21 Jan 1700)
4th: Henry Somerset (21 Jan 1700-24 May 1714)
5th: Henry Scudamore (24 May 1714-24 Feb 1745)
6th: Charles Noel Somerset (24 Feb 1745-28 Oct 1756)
7th: Henry Somerset (28 Oct 1756-11 Oct 1803)
8th: Henry Charles Somerset (11 Oct 1803-23 Nov 1835)
9th: Henry Somerset (23 Nov 1835-17 Nov 1853)
10th: Henry Charles FitzRoy Somerset (17 Nov 1853-30 Apr 1899)
11th: Henry Adelbert Wellington FitzRoy Somerset (30 Apr 1899-24 Nov 1924)
12th: Henry Hugh Arthur FitzRoy Somerset (24 Nov 1924-5 Feb 1984)
13th: David Robert Somerset (5 Feb 1984-16 Aug 2017)
14th: Henry John FitzRoy Somerset (16 Aug 2017- )
Marquess of Zetland [United Kingdom, 1892]
1st: Lawrence Dundas (22 Aug 1892-11 Mar 1929)
2nd: Lawrence John Lumley Dundas (11 Mar 1929-6 Feb 1961)
3rd: Lawrence Aldred Mervyn Dundas (6 Feb 1961-5 Oct 1989)
4th: Lawrence Mark Dundas (6 Oct 1989- )
A total of 134 of these titles have been held by 674 individuals.
