When Andrew Jefferson Sites was born in April 1838, in Adams, Pennsylvania, United States, his father, Jeremiah Beard Sites, was 21 and his mother, Louisa Oyler, was 21. He married Ada Pauline Lindig on 20 March 1867, in Franklin, Ohio, United States. They were the parents of at least 6 sons and 3 daughters. He lived in Blue Mound Township, Linn, Kansas, United States in 1900 and Jackson, Missouri, United States in 1910. He died on 14 October 1927, in Leavenworth, Leavenworth, Kansas, United States, at the age of 89, and was buried in Leavenworth National Cemetery, Leavenworth, Leavenworth, Kansas, United States.