On 8 Dec 1737 when Mary was 16, she married John Greene (22379) , son of Richard Greene (14966) (8 Feb 1659/60-24 May 1711) & Eleanor Sayles (8378) (ca 1671-11 Mar 1714), in Warwick, RI. Born on 23 Dec 1709 in Warwick, RI. John died in Warwick, RI, on 11 Oct 1762; he was 52.