According to the private journal of Elder Peleg Burroughs of Tiverton, a Minister of the Gospel, "on the 8th day of September A. D. 1780 -- Preached at B. Hambly's upon Psalm 107:31 (O that men would praise xc) married John Manchester to M.F. and stayed all night at Bro. Davenports."
Benjamin Hambly's wife was Elizabeth Fish, probably related to Mary (needs more research).
In the 1850 Federal Census, Edward is age 65 and living at Portsmouth, RI. His son John, age 32, is living with him. They are living near his brother William and son.