Mary was born on October 22nd, 1679 in Eastham Barnstable Ma. Mary's father was John Doane and her mother was Lydia . Her paternal grandparents were John Doane and Abigail ; her maternal grandparents were and . She had a brother and two sisters, and also two siblings of unknown gender, named Joseph, Anne , Sarah, Ruth and Hepzibah . She was the second youngest of the six children.