On 28 Oct 1755 when Mary was 17, she married Thomas Cornell (37351) , son of Thomas Cornell (ca 1699-ca 1756) & Annatje Wiltse (18136) (ca 1699-), in Rombout, Dutchess County, New York. Born on 24 May 1730 in Jamaica, Queens County, New York. Thomas died in Beekman, Dutchess County, New York in 1797.