When Aaron Thompson was born on 17 October 1818, in Deerfield, Warren, Ohio, United States, his father, Aaron Thompson, was 46 and his mother, Jane Lee, was 42. He married Ellen Jane or Eleanor Slayback on 23 December 1837, in Indiana, United States. They were the parents of at least 7 sons and 3 daughters. He lived in Union Township, Butler, Ohio, United States in 1860 and Ohio, United States in 1870. He died on 22 October 1891, in Deerfield, Warren, Ohio, United States, at the age of 73, and was buried in Deerfield Township, Warren, Ohio, United States.