When Susan Catherine Whitlock was born about 1858, in Grainger, Tennessee, United States, her father, Pleasant Samuel Whitlock, was 35 and her mother, Parthena S Hines, was 32. She married Enos T Sellers about 1877, in Grainger, Tennessee, United States. They were the parents of at least 2 daughters. She died on 5 October 1881, at the age of 23.