Mary Forbes, Countess of Granard (c.1677 – 4 October 1765), formerly the Hon. Mary Stewart, was the wife of George Forbes, 3rd Earl of Granard. She was born in Ireland, the daughter of William Stewart, 1st Viscount Mountjoy, and his wife, the former Mary Coote.Mosley, Charles, editor. Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes. Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, 2003.
