Married: Juliana Boyle, 18 May 1745 Children: Margaret Butler Married: Armar Lowry, 1st Earl Belmore, MP on 3 Oct 1772

Henry Thomas Butler, 2nd Earl of Carrick Born: 19 May 1746 Married: Sarah Turner (2nd daughter of E taylor of Askheaton) on 7 Aug 1774 Died: 4 Apr 1813

Pierce Butler Cooper, MP Born: 15 Aug 1750 (twin) Married: Catherine Rothe (2nd daughter of Richard Rothe, of Butler's Grove, co Kilkenny, Ireland) on 27 Dec 1774 Died: 5 May 1826

Henrietta Butler Born: 15 Aug 1750 (twin) Married: Edmund Mountgarrett, 11th Viscount Mountgarrett, MP on 7 Oct 1768 Died: 16 Jun 1785