Mary Sackville, Countess of Falmouth and Dorset (1645 – 1679, née Bagot) was a British courtier and mistress of King Charles II.
[2] The King rewarded her with grants of land, including Somerset House, in the Strand,[3] and a state pension.
Her parents were Colonel Henry Bagot and his wife Dorothea Arden, of Pipe Hall, Warwickshire.
[8] She married secondly, and secretly,[1] Charles Sackville, 6th Earl of Dorset in June 1674, as his first wife.
Mary died in childbirth on 12 September 1679 and was buried at Withyan, Sussex.