When Dr Samuel Thomas Parker was born on 30 December 1886, in Wildersville, Henderson, Tennessee, United States, his father, Joseph Priest Parker, was 30 and his mother, Mary Elizabeth Barnhill, was 31. He married Elizabeth Pearl Adams on 7 July 1920, in Bowling Green, Warren, Kentucky, United States. They were the parents of at least 2 sons. He lived in Civil District 5, Madison, Tennessee, United States in 1940. He died on 2 July 1957, in McAllen, Hidalgo, Texas, United States, at the age of 70, and was buried in Jones Cemetery, Parker Crossroads, Henderson, Tennessee, United States.