Philemon Chandler Sr. was born on 4 September 1671 at Andover, Essex County, Massachusetts. He married
Hannah Cheney, daughter of
Thomas Cheney and
Jane Atkinson, on 18 April 1700 at Cambridge, Middlesex County, Massachusetts. Philemon Chandler Sr. married
Patience Parker on 2 May 1739 at Pomfret, Windham County, Connecticut. Philemon Chandler Sr. was buried in 1752 at Sabin Cemetery, Pomfret, Windham County, Connecticut. He died on 7 May 1752 at Pomfret, Windham County, Connecticut, at age 80.