Subsequently, he represented Taghmon, County Wexford, from 1783 until 1788, when he succeeded to his mother's title.

[1] He commissioned the building c.1790 of the Georgian style Knocklofty House near Clonmel in County Tipperary.

He was one of the original 28 Irish Representative peers and an advocate of Roman Catholic emancipation.

He was created, in 1821, Viscount Hutchinson (in the Peerage of the United Kingdom) and thus gained an hereditary seat in the House of Lords.

[citation needed] He held the office of Governor of Tipperary and of Lord Treasurer's Remembrancer Court of Exchequer (Ireland).