Career
He served as the head football the University of Mississippi (Ole Mission) in 1912 and at Knox College in Galesburg, Illinois from 1915 to 1916, compiling a career college football coaching record of 10–5–2. DeTray was also the head basketball coach at Knox from 1915 to 1917, tallying a mark of 10–10. DeTray was a letterman at the University of Chicago competing as a halfback during his tenure with the Maroons between 1904 and 1907.
He served as the head football coach at the University of Mississippi in 1912, where he compiled a record of 5–3 during his lone season.
