Background
The daughter of William Fitzhugh (1741–1809) a member of the Continental Congress, and Ann Bolling Randolph Fitzhugh, Mary Lee was most likely born at Chatham, in Stafford County, Virginia. On July 7, 1804, she married George Washington Parke Custis, an orator, playwright, writer, and the grandson of Martha Custis Washington through her first marriage to Daniel Parke Custis.