When William Thomas Sellars was born on 9 April 1841, in Wilson, Tennessee, United States, his father, William Carroll Sellars, was 23 and his mother, Elizabeth W Smith, was 21. He had at least 2 sons and 4 daughters with Sarah Leticia Ingle. He lived in Flint Township, Benton, Arkansas, United States in 1860 and Round Prairie, Benton, Arkansas, United States in 1880. He died on 16 May 1905, in Granbury, Hood, Texas, United States, at the age of 64, and was buried in Granbury Cemetery, Granbury, Hood, Texas, United States.