When Dorothy Wadsworth was born on 15 May 1769, in Farmington, Hartford, Connecticut, United States, her father, Timothy Wadsworth, was 41 and her mother, Hopey "Heppy" Kilbourn, was 38. She married Willard Allen in 1800. They were the parents of at least 5 sons and 1 daughter. She died on 17 December 1857, in Constableville, West Turin, Lewis, New York, United States, at the age of 88, and was buried in Constableville, West Turin, Lewis, New York, United States.