On 11 Aug 1724 when William was 21, he married
Mary Thompson (24015) , daughter of
Jonathan Thompson (28 Sep 1663-25 May 1748) &
Frances Whitmore (9169) (3 Mar 1671-), in Reading, MA.
81 Born on 18 Aug 1703 in Woburn, MA. Mary died in Oxford, MA, on 14 Oct 1772; she was 69.
Mary first married William Cowdrey, second Isaac Hartwell as his second wife.