When George Summer was born on 22 November 1730, in Pomfret, Windham, Connecticut Colony, British Colonial America, his father, Deacon Samuel Sumner I, was 35 and his mother, Elizabeth Griffin, was 31. He married Abigail Holdridge on 28 September 1752, in Pomfret, Windham, Connecticut Colony, British Colonial America. They were the parents of at least 1 son and 7 daughters. He died on 22 September 1778, at the age of 47, and was buried in South Cemetery, Pomfret, Windham, Connecticut, United States.