| Regimental number | 1940 |
| Place of birth | Kildare, Ireland |
| Religion | Roman Catholic |
| Occupation | Boot repairer |
| Address | 368 George Street, Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 48 |
| Height | 5' 8.5" |
| Weight | 150 lbs |
| Next of kin | Brother, James Barrett, Ballincollig, Co Cork, Ireland |
| Previous military service | Served for 12 years, Royal Fusiliers Artillery (South Africa). |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Brisbane, Queensland |
| Rank on enlistment | Private |
| Unit name | Australian Remount Unit 2, Squadron 7 |
| AWM Embarkation Roll number | 28/3/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT RMS Orontes on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | AIF Canteens |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Egypt Embarked for overseas service, 20 November 1915. Admitted to No 3 Australian General Hospital, Abbassia, 12 July 1916 (influenza); transferred to Canadian Clearing Hospital, Montazah, 20 August 1916; discharged to unit, Heliopolis, 4 September 1916. Admitted to No 14 General Hospital, Abbassia, 8 October 1916; discharged to Details Camp, Moascar, 31 October 1916. Transferred to Australian Imperial Force Canteens, Kantara, 27 November 1916; taken on strength of unit, 29 November 1916; marched into Details Camp, Moascar, 18 May 1917. Admitted to 14th Australian General Hospital, Cairo, 23 June 1917; transferred to British Red Cross Hospital, Montazah, 29 July 1917; discharged to duty, 22 August 1917; marched into Details Camp, Moascar, 24 August 1917; moved out from camp, 24 January 1918; marched into divisional headquarters, 27 January 1918; detached to School of Instruction, Jaffa, 18 May 1918; marched into Australian Depot Stores, 23 December 1918; moved out from Gezirah, 19 January 1919; marched into divisional headquarters, Tripoli, 25 January 1919; moved out from headquarters, 5 February 1919. Embarked Port Said on HMT 'Caledonia' and proceeded to the United Kingdom on leave, 2 August 1919. Commenced return to Australia on HT 'Konig-in-Luise', 18 December 1919; disembarked Sydney, 7 February 1920. Discharged Brisbane, 10 March 1920. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Lutwyche Cemetery |
| Sources | NAA: B2455, BARRETT William Henry |