When Andrew Jackson Willis was born on 24 January 1837, in Georgia, United States, his father, John A. Willis, was 32 and his mother, Elizabeth Davis, was 34. He married Matilda Melissa Richardson about 1866, in Coleman, Texas, United States. They were the parents of at least 5 sons and 7 daughters. He lived in Cass, Georgia, United States in 1850 and Texas, United States in 1870. In 1880, at the age of 43, his occupation is listed as farmer in Texas, United States. He died on 24 October 1896, in Brown, Texas, United States, at the age of 59, and was buried in Thrifty, Brown, Texas, United States.