William Avery was born circa 1692 at New London, New London County, Connecticut. He was the son of
John Avery and
Abigail Chesebrough. William Avery was baptized on 19 June 1692 at First Church, New London, New London County, Connecticut. He married
Anne Richardson, daughter of
Samuel Richardson and
Anne Chesebrough, on 27 March 1715 at First Church, Stonington, New London County, Connecticut. William Avery married
Sarah Walker, daughter of
William Walker and
Eleanor Pendleton, on 3 June 1731 at Westerly, RI. William Avery died circa 1754 at Stonington, New London County, Connecticut.