July 16, 1821, Bow, New Hampshire.
December 3, 1910, at her home in Chestnut Hill, Boston, Massachusetts.
Mount Auburn Cemetery, Cambridge, Massachusetts.
Mary was the daughter of Mark Baker and Abigail Barnard Ambrose. She married three times, to George Washington Glover (1843), Daniel Patterson (1883), and Asa Gilbert Eddy (1877). She is remembered as the founder of the Church of Christ, Scientist, denomination.