Mary Dean Mary DEAN was descended from the Magna Charta Baron, Thomas Fitz Hardynge De Berkeley. She was born on 15 June 1687 at Taunton, Massachusetts. She was the daughter of Benjamin Dean and Sarah Williams. Mary Dean married Samuel Edson, son of Samuel Edson and Susanna Byram, on 1 January 1707/8 at Taunton, Massachusetts. As of 1 January 1707/8,her married name was Edson (Dean). Mary Dean died on 5 February 1770 at Bridgewater, Massachusetts, at age 82.