Marquess of Londonderry

==Holders==
 	From 	Until 	Name 	Lifespan
1. 	13 January 1816 	8 April 1821 	The Most Hon. Robert Stewart, 1st Marquess of Londonderry 	1739-1821
2. 	8 April 1821 	12 August 1822 	The Most Hon. Robert Stewart, 2nd Marquess of Londonderry, K.G., G.C.H., P.C. 	1769-1822
3. 	12 August 1822 	6 March 1854 	General The Most Hon. Charles William Vane, 3rd Marquess of Londonderry, K.G., G.C.B., G.C.H., P.C.	1778-1854
4. 	6 March 1854 	25 November 1872	The Most Hon. Frederick Stewart, 4th Marquess of Londonderry, K.P., P.C. 	1805-1872
5. 	25 November 1872	5 November 1884 	The Most Hon. George Vane-Tempest, 5th Marquess of Londonderry, K.P. 	1821-1884
6. 	5 November 1884 	8 February 1915 	The Most Hon. Charles Vane-Tempest-Stewart, 6th Marquess of Londonderry, K.G., G.C.V.O., C.B., P.C.	1852-1915
7. 	8 February 1915 	11 February 1949	Major The Most Hon. Charles Vane-Tempest-Stewart, 7th Marquess of Londonderry, K.G., M.V.O., P.C. 	1878-1949
8. 	11 February 1949	17 October 1955 	The Most Hon. Edward Vane-Tempest-Stewart, 8th Marquess of Londonderry 	1902-1955
9. 	17 October 1955 	20 June 2012 	The Most Hon. Alexander Vane-Tempest-Stewart, 9th Marquess of Londonderry 	1937-2012
10.	20 June 2012 	 	The Most Hon. Frederick Vane-Tempest-Stewart, 10th Marquess of Londonderry 	1972-
==Other Titles==
===Peerage of Ireland===
*Earl of Londonderry (1796), 1816-present
*Viscount Castlereagh (1795), 1816-present
*Baron Londonderry (1789), 1816-present
===Peerage of the United Kingdom===
*Earl Vane (1823), 1823-1854, 1872-present
*Viscount Seaham (1823), 1823-1854, 1872-present
*Baron Stewart (1814), 1822-present