Harriet married James Hamilton, Viscount Hamilton. James (son of John James Hamilton, 1st Marquess of Abercorn and Catherine Copley) was born 7 Oct 1788, Petersham Lodge, Surrey, England; died 27 May 1814, Mayfair, London, England. [Group Sheet]

1. James Hamilton, 1st Duke of Abercorn was born 21 Jan 1811, Westminster, Middlesex, England; died 31 Oct 1885, Baronscourt, Tyrone, England.