Mary Walker was born circa March 1641 at New Haven, New Haven County, Connecticut. She was baptized in March 1641 at New Haven, New Haven County, Connecticut. She was the daughter of 
John Walker and 
Grace Unknown. Mary Walker married 
John Brown, son of 
Francis Brown and 
Mary Edwards, on 1 January 1660 at New Haven, New Haven County, Connecticut. Mary Walker and 
John Brown were divorced in October 1674. Mary Walker married 
John Clark on 28 May 1675 at New Haven, New Haven County, Connecticut. Mary Walker died on 18 March 1711 at New Haven, New Haven County, Connecticut.