|Place of birth||Port Pirie South Australia|
|Religion||Church of England|
|Address||20 Carrington Street, Adelaide|
|Age at embarkation||32|
|Next of kin||Wife, Mrs. Lucy Ellen May Warren, 20 Carington Street, Adelaide|
|Rank on enlistment||Lieutenant|
|Unit name||3rd Light Horse Regiment, 9th Reinforcement|
|AWM Embarkation Roll number||10/8/2|
|Embarkation details||Unit embarked from Adelaide, South Australia, on board HMAT A15 Star Of England on
|Rank from Nominal Roll||Lieutenant|
|Unit from Nominal Roll||3rd Light Horse Regiment|
|Fate||Returned to Australia
|Family/military connections||Brothers: 30701 Gunner William Robert WARREN MM, 3rd Divisional Ammunition Column, returned to Australia, 18 July 1919; 1899 Bombardier Harry Collier WARREN, 3rd Field Artillery Brigade (transferred to Australian Flying Corps), accidentally killed, 4 April 1917; Brothers-in-law: 1295 Driver Frederick Charles FRANKCOM, 1st Light Horse Regiment, returned to Australia, 12 July 1918; 3842 Pte George Edward FRANKCOM, 48th Bn, returned to Australia, 10 April 1919; 344 Lance Corporal Roy Charles HARRINGTON, 27th Bn, 12 April 1919.~|
War service: embarked from Adelaide, 21 September 1915.
Attached to Camel Corps, Egypt, 29 December 1915; transferred to 1st Light Horse Training Regiment, 20 September 1916.
Promoted Lieutenant, 15 December 1916.
Admitted to hospital, 4 April 1917 (debility); rejoined unit, 13 May 1917.
Detached to School of Instruction, Zeitoun, 24 June 1917; rejoined unit, 4 July 1917. Taken on strength, 3rd Light Horse, 8 July 1917.
Found guilty by General Court Martial of being absent without leave from 26-28 July 1917: sentenced to be dismissed from His Majesty's Service.
Embarked from Suez for return to Australia; sentence not promulgated until disembarkation. Disembarked Adelaide, 5 December 1917.
Medals (1914-15 Star, British War Medal, Victory Medal) automatically forfeited.