Career
Gillem played for the Sewanee Tigers of Sewanee: The University of the South, and was selected All-Southern in 1910, 1911, and 1912. His ability punting the football netted him a spot on an Associated Press All-Time Southeast 1869-1919 era team He served as the head football coach at Howard College—now Samford University (1925–1926), Birmingham–Southern College (1928–1939), and Sewanee (1940–1941), compiling a career college football record of 71–65–10.
Gillem died on November 11, 1951 at a hospital in Gadsden, Alabama after a long illness.