Richard Trench, 2nd Earl of Clancarty

Richard Le Poer Trench, 2nd Earl of Clancarty, 1st Marquess of Heusden, 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.