|Place of birth||Unley, South Australia|
|Religion||Church of England|
|Age at embarkation||19|
|Next of kin||Father, W.C. Riley, Northgate Street, Port Pirie West, South Australia|
|Previous military service||Served in Machine Gun Section, 22nd Light Horse Regiment, Citizen Military Forces; still serving at time of AIF enlistment.|
|Place of enlistment||Morphettville, South Australia|
|Rank on enlistment||Private|
|Unit name||3rd Light Horse Regiment, 1st Reinforcement|
|AWM Embarkation Roll number||10/8/2|
|Embarkation details||Unit embarked from Newcastle, New South Wales, on board HMAT A36 Thirty Six on
|Rank from Nominal Roll||Lieutenant|
|Unit from Nominal Roll||1st Machine Gun Squadron|
Unit: 1 MG Sqn
|Fate||Returned to Australia
War service: Egypt, Gallipoli
Admitted to hospital, 28 March 1915 (appendicitis).
Embarked to join the Mediterranean Expeditionary Force, 9 May 1915.
Evacuated sick to hospital, 23 July 1915; admitted to No 1 Casualty Clearing Station, 24 July 1915 (diarrhoea); transferred to 3rd Light Horse Field Ambulance, 26 July 1915; to No 1 Australian Stationary Hospital, 3 August 1915; rejoined 3rd Australian Light Horse Regiment, 7 August 1915.
Evacuated sick to hospital, 3 September 1915; admitted to No 2 General Hospital, Ghezireh, 9 September 1915 (influenza).
Commenced return to Australia on board HS 'Karoola' from Suez, 4 November 1915 (influenza, debility, and bronchial pneumonia); disembarked, 4 December 1915.
Discharged to duty, 13 February 1916, and allotted to 3rd Light Horse 16th Reinforcement.
Embarked, 18 June 1916.
Taken on strength of 1st Light Horse Training Regiment, Moascar, 10 August 1916.
Marched out to 1st Light Horse Brigade, 10 August 1916; joined 3rd Light Horse Regiment, Romani, 15 August 1916; transferred to, and taken on strength of 1st Australian Machine Gun Squadron, 17 August 1916.
Promoted Lance Corporal, 7 October 1917.
To Zeitoun School of Instruction for Vickers Gun Course, 4 January 1918; rejoined unit, Richon, 31 January 1918.
Wounded in action, 11 April 1918; admitted to No 14 Australian General Hospital, Port Said, 19 April 1918 (gunshot wound: left foot); transferred to Rest Camp, Port Said, 3 June 1918.
Marched into Machine Gun Training Squadron, Moascar, 12 June 1918.
Marched out to unit, 17 June 1918; rejoined 1st Australian Machine Gun Squadron, Wadi Auja, 22 June 1918.
Promoted Temporary Corporal, 29 June 1918.
Marched out to Cadet School, 1 September 1918; marched in Cadet School and appointed Cadet, 1 September 1918.
Promoted Second Lieutenant, 2 January 1919.
Struck off strength of Imperial School of Instruction, 10 March 1919; taken on strength of 1st Australian Machine Gun Squadron, 11 March 1919.
Commenced return to Australia on board HT 'Orari' from Kantara, 15 May 1919.
Promoted Lieutenant, at sea, 28 May 1919.
Disembarked Adelaide, 26 June 1919; appointment terminated (discharged) Adelaide, 26 August 1919.Medals: 1914-15 Star, British War Medal, Victory Medal