When Addie Mae Dunn was born on 7 May 1878, in Florence, Williamson, Texas, United States, her father, Thomas Newton Dunn, was 42 and her mother, Nancy "Nannie" Jane May Finley, was 35. She married Horace Guy Smith on 10 April 1904, in Williamson, Texas, United States. They were the parents of at least 1 son and 3 daughters. She lived in Justice Precinct 5, Williamson, Texas, United States in 1900 and Post, Garza, Texas, United States for about 30 years. She died on 2 September 1959, in Lubbock, Lubbock, Texas, United States, at the age of 81, and was buried in Post, Garza, Texas, United States.