She married George Gordon, 1st Earl of Aberdeen in 1671 becoming the Countess of Aberdeen. When her brother died, she became the sole heir. She had six children with George, including William Gordon (b. 1679) who became 2nd Earl of Aberdeen.
She is an ancestor, nine generations removed on her mother's side, of Camilla, Duchess of Cornwall, a member of the British Royal Family.
Documents in the National Archives of Scotland refer to her as Anna (NAS GD 33 & GD 118).