When Thomas Davenport was born on 3 February 1769, in Little Compton, Newport, Rhode Island, United States, his father, John Davenport, was 27 and his mother, Sarah, was 28. He married Anna Davenport in 1790, in Pittstown, Rensselaer, New York, United States. They were the parents of at least 2 sons and 4 daughters. He died on 10 September 1847, in Dryden, Dryden, Tompkins, New York, United States, at the age of 78, and was buried in Dryden, Dryden, Tompkins, New York, United States.