When John Churchill was born on 19 January 1706, in Wethersfield, Hartford, Connecticut Colony, British Colonial America, his father, Nathaniel Churchill Sr., was 28 and his mother, Mary Hurlburt, was 27. He married Bethiah Stocking on 8 June 1727, in Middletown, Middlesex, Connecticut, United States. They were the parents of at least 2 sons and 6 daughters. He died on 13 April 1773, in Portland, Middlesex, Connecticut, United States, at the age of 67, and was buried in Center Cemetery, East Hartford, Hartford, Connecticut, United States.