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Richard Trench, 2nd Earl of Clancarty

1767 – 1837

British politician

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About Richard Trench, 2nd Earl of Clancarty

Lived 1767 – 1837 (aged 70). Richard Trench, 2nd Earl of Clancarty was a British diplomat and politician.

Richard Le Poer Trench, 2nd Earl of Clancarty, 1st Marquess of Heusden (19 May 1767 – 24 November 1837), styled The Honourable from 1797 to 1803 and then Viscount Dunlo to 1805, was an Anglo-Irish peer, a nobleman in the Dutch nobility, and a diplomat. He was an Irish, and later British, Member of Parliament and a supporter of Pitt. Additionally he was appointed Postmaster General of Ireland, and later, of the United Kingdom.

Background and education Clancarty was the son of William Trench, 1st Earl of Clancarty and Anne, daughter of Charles Gardiner and his seat was Garbally Court in Ballinasloe, East County Galway where he was associated with the Great October Fair. His brother was Power Le Poer Trench (1770–1839), archbishop of Tuam. He was educated at Kimbolton School and St John's College, Cambridge.

Political career

Trench represented Newtown Limavady in the Irish House of Commons from 1796 to 1798. He sat further for County Galway from 1798 to a short time before the Act of Union, when he was replaced by "Humanity Dick" Martin.

He was credited with resolving various border disputes in Holland, Germany and Italy at the Congress of Vienna, 1814–1815, and in his role as Ambassador to the Netherlands. For his service as ambassador to The Hague, he was awarded the hereditary title of Marquess of Heusden in the peerage of The Netherlands on 8 July 1815 by William I of the Netherlands, following the defeat of Napoleon in Brabant, in that same province's southern reaches. Trench was elected one of the 28 representative peers of Ireland on 16 December 1808. His seat in the House of Lords became hereditary when he was created Baron Trench (4 August 1815) and Viscount Clancarty (created 8 December 1823), in the Peerage of the United Kingdom, his older peerages being Irish peerages. He was a Commissioner for the Affairs of India and Custos Rotulorum of County Galway.

Postmaster General Between 1807 and 1809 Trench was one of the joint Postmasters General of Ireland and he was appointed Postmaster General of the United Kingdom being one of the last joint holders of that office from 1814 to 1816.

Family On 6 February 1796 he married Henrietta Margaret Staples, daughter of John Staples and Harriet Conolly. They had the following children:

Lady Lucy Le Poer Trench (d. 1839), married Robert Maxwell Lady Louisa Augusta Anne Le Poer Trench (b. 23 December 1796, d. 7 February 1881), married Reverend William Le Poer Trench Lady Harriet Margaret Le Poer Trench (b. 13 October 1799, d. 1885), married Thomas Kavanagh "the MacMurrough", a descendant of Art mac Art MacMurrough-Kavanagh Lady Emily Florinda Le Poer Trench (b. 7 November 1800), married Giovanni Cossiria Lady Frances Power Le Poer Trench (b. 22 January 1802, d. 28 December 1804) William Thomas Le Poer Trench, 3rd Earl of Clancarty (b 21 September 1803, d. 26 April 1872), married Lady Sarah Juliana Butler, daughter of Somerset Richard Butler, 3rd Earl of Carrick Hon. Richard John Le Poer Trench (b. 1805) Commander Hon. Frederick Robert Le Poer Trench (b. 23 July 1808, d. April 1867), married Catherine Maria Thompson

Ancestry

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Important facts

Birth century
Education
St John's College, St John's College, Cambridge
Positions held
Member of the 4th Parliament of the United Kingdom, Member of Parliament in the Parliament of Ireland, Member of the Privy Council of Ireland, Member of the Privy Council of the United Kingdom
Employers
Foreign Office
Awards
Knight Grand Cross of the Order of the Bath
Also known as
Richard Le Poer Trench

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Frequently asked questions

Who was Richard Trench, 2nd Earl of Clancarty?

British politician (1767-1837)

When was Richard Trench, 2nd Earl of Clancarty born?

Richard Trench, 2nd Earl of Clancarty was born on 19 May 1767 in Ballinasloe.

When did Richard Trench, 2nd Earl of Clancarty die?

Richard Trench, 2nd Earl of Clancarty died on 24 November 1837 in Kinnegad.

What was Richard Trench, 2nd Earl of Clancarty's occupation?

Richard Trench, 2nd Earl of Clancarty was a diplomat and politician.

What nationality was Richard Trench, 2nd Earl of Clancarty?

Richard Trench, 2nd Earl of Clancarty was British.

Sources & further reading

· Wikipedia: Richard Trench, 2nd Earl of Clancarty

· Wikidata: Q736545

· DBpedia: Richard Trench, 2nd Earl of Clancarty

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APA: Biography.guide. (2026). Richard Trench, 2nd Earl of Clancarty. https://biography.guide/richard-trench-2nd-earl-of-clancarty/

MLA: "Richard Trench, 2nd Earl of Clancarty." Biography.guide, https://biography.guide/richard-trench-2nd-earl-of-clancarty/.

Chicago: "Richard Trench, 2nd Earl of Clancarty." Biography.guide. https://biography.guide/richard-trench-2nd-earl-of-clancarty/.

Data last updated: 2026-09-29 · Spot an error? Report a correction.

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