When Samuel Thomas Chumley was born on 24 December 1883, in San Augustine, Texas, United States, his father, Thomas Alexander Chumley, was 25 and his mother, Evelyn Frances Hagood, was 21. He married Leona McElroy on 10 February 1923, in Smith, Texas, United States. He lived in Justice Precinct 1, San Augustine, Texas, United States in 1900 and Tyler, Smith, Texas, United States in 1910. He died on 24 March 1969, in Bowie, Texas, United States, at the age of 85, and was buried in Tyler Memorial Park And Cemetery, Tyler, Smith, Texas, United States.