On 30 Mar 1780 when Mary was 28, she married
William Hathorne, son of
John Hathorne (28 Dec 1720-1777) &
Esther Wyman (ca 1724-), in Wilmington, MA.
399 Born 11 Mar 1748/9 in Wilmington, MA. William died in Woolwich, Sagadahoc County, Maine on 31 Jan 1804.