When Bettie Leona Allen was born on 21 May 1861, in Bosque, Texas, United States, her father, John Washington Allen, was 45 and her mother, Sarah Arcena Eggleston, was 28. She married John Oliver Oldham on 1 August 1878, in Bosque, Texas, United States. They were the parents of at least 6 sons and 7 daughters. She lived in Justice Precinct 5, Lubbock, Texas, United States in 1920 and Commissioner's Precinct 1, Childress, Texas, United States in 1940. She died on 18 April 1947, in Childress, Childress, Texas, United States, at the age of 85, and was buried in Childress, Childress, Texas, United States.