When George Tifft was born on 16 January 1754, in Richmond, Washington, Rhode Island, United States, his father, Jonathan Tefft, was 26 and his mother, Mary Webb, was 23. He had at least 1 son and 3 daughters with Rebeckah Brown. He died on 9 May 1813, in North Stephentown, Stephentown, Rensselaer, New York, United States, at the age of 59, and was buried in Stephentown, Rensselaer, New York, United States.