The son of George Frederick and Annie Georgina Stephenson, Thomas Frederick Stephenson scored 5 victories flying the Bristol Fighter with his observer, 1st Air Mechanic Sidney Platel. On 31 October 1917, Stephenson and Platel were shot down by Hans Bethge of Jasta 30. Less than a month later, Stephenson was killed in action when he and Lieutenant T.W. Morse were shot down by Jasta 12. Morse survived but was captured.
Birth registered at Ripon, Yorkshire; 1901 residence was Scriven, Yorkshire. Service number 769.