an Irish landowner and politician. From 1773 to 1789 he represented Dublin County in the Irish House of Commons. He was appointed to the Irish Privy Council on 29 December 1780 and created Baron Mountjoy on 19 September 1789 and Viscount Mountjoy on 30 September 1795, both in the Peerage of Ireland. Lord Mountjoy was killed in action at the age of 53, leading his regiment at the Battle of New Ross. He was succeeded by his son Charles, who was later created Earl of Blessington
