Wanton's two wives were sister, daughters of Deacon Philip Gray.
In the 1850 Federal Census, the family is at Tiverton, RI: Wanton Manchester 73 farmer, Almy Manchester 63, Oliver P. Seabury 35 miner (husband of Elizabeth), Harriet O. Manchester 25, Susan A. Manchester 23, Mary J. Manchester 20, George ? Manchester 65, Mumford Lawton 37 laborer, and Elizabeth Seabury 33. Next door are Jared and Nancy Reid; Jared is the Congregational Minister and Nancy is a daughter of Cornelius Seabury. Next to them are Franklin and Emily Seabury and their two young children; Emily is another daughter of Wanton & Almy Manchester; Franklin is a brother to Nancy Reid.