UK Elections Info

Data Last Updated: 7 August 2025
Application Last Amended: 20 July 2024
This website is considered to be an archive in the public interest.

Born: 18 June 1769

Died: 12 August 1822

Viscount Castlereagh - 17 August 1796

2nd Marquess of Londonderry - 8 April 1821

Chief Secretary for Ireland	1798	1801
President of the India Board	2 July 1802	11 February 1806
Secretary of State for War and the Colonies	10 July 1805	5 February 1806
Secretary of State for War and the Colonies	25 March 1807	1 November 1809
Secretary of State for Foreign Affairs	4 March 1812	12 August 1822

1 January 1801	Down County	Tory
24 July 1802	Down County	Tory	Unopposed
10 July 1805 Resignation of Viscount Castlereagh on appointment as Secretary of State for War and the Colonies.
27 July 1805	Down County	Tory	1,481	42.88
18 January 1806	Boroughbridge		Unopposed
21 October 1812	Down County	Tory	55	88.71
2 July 1818	Down County	Tory	Unopposed
21 March 1820	Down County	Tory	Unopposed
8 April 1821 Succession of Viscount Castlereagh to the Peerage - 2nd Marquess of Londonderry.