When John Hammond was born on 3 July 1714, in Kittery, York, Massachusetts Bay Colony, British Colonial America, his father, Joseph Hammond Col, was 36 and his mother, Hannah Storer, was 34. He married Hannah Littlefield on 14 December 1738, in Boston, Suffolk, Massachusetts Bay Colony, British Colonial America. They were the parents of at least 3 sons and 3 daughters. He lived in Kittery, York, Maine, United States in 1714. He died on 18 January 1759, in Eliot, York, Maine, United States, at the age of 44.