When Dan Tomlinson was born about 1782, in Connecticut, United States, his father, Daniel Tomlinson, was 33 and his mother, Susanna Hotchkiss, was 30. He married Lydia Judd on 5 January 1818. They were the parents of at least 2 daughters. He died on 10 January 1850, in East Bloomfield, Ontario, New York, United States, at the age of 68, and was buried in Green Mount Cemetery, Dansville, North Dansville, Livingston, New York, United States.