Mary Crowninshield was born 22 May 1804 in Salem, Essex County, Massachusetts, United States to Jacob Crowninshield (1770-1808) and Sarah Gardner (1773-1807) and died 13 March 1838 Massachusetts, United States of unspecified causes. She married William Putnam Endicott (1803-1888) 21 January 1826 in Salem, Essex County, Massachusetts, United States.
|Offspring of William Putnam Endicott and Mary Crowninshield (1804-1838)|
|William Crowninshield Endicott (1826-1900)||19 November 1826 Salem, Essex County, Massachusetts, United States||6 May 1900 Boston, Suffolk County, Massachusetts, United States||Ellen Peabody (1833-1927)|
|Mary Crowninshield Endicott (1830-1833)|
|George Frederic Endicott (1832-1833)|
|Sarah Rogers Endicott (1838-1916)|