When Henry Purvis Lancaster Sr. was born on 23 August 1893, in Lauderdale, Mississippi, United States, his father, Louis Jefferson Lancaster, was 38 and his mother, Nora Cornelia Frazier, was 28. He had at least 3 sons and 1 daughter with Mary Kate Hughes. He lived in Justice Precinct 8, Stephens, Texas, United States in 1930 and Justice Precinct 8, Freestone, Texas, United States in 1940. He registered for military service in 1917. He died on 5 February 1966, in Falls, Texas, United States, at the age of 72, and was buried in Dew, Freestone, Texas, United States.