Mary married 2nd Earl Massereene Clotworthy SKEFFINGTON on 18 Aug 1789 in St. Michaels, Cornhill, London, England. Clotworthy (son of Earl of Mssareene Clotworthy SKEFFINGTON and Elizabeth EYRE) was born on 28 Jan 1742 in Antrim; died on 28 Feb 1805 in Antrim Castle.. [Group Sheet] [Family Chart]