| Regimental number | 7402 |
| Place of birth | Stawell, Victoria |
| Religion | Church of England |
| Occupation | Salesman |
| Address | Murtoa, Victoria |
| Marital status | Single |
| Age at embarkation | 30 |
| Height | 5' 8" |
| Weight | 133 lbs |
| Next of kin | Father, Edmund James Fairfax, Murtoa, Victoria |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Broadmeadows, Victoria |
| Rank on enlistment | Driver |
| Unit name | Australian Reserve Park 1, Reinforcement 10 |
| AWM Embarkation Roll number | 25/34/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A70 Ballarat on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 28th Company, Australian Army Service Corps |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brother: 3725 Driver Leslie James FAIRFAX, 28th Company, Australian Army Service Corps, returned to Australia, 8 May 1919. |
| Other details |
War service: Egypt, Western Front Commenced return to Australia on board HT 'Port Denison', 25 March 1919; discharged (medically unfit: debility), Melbourne, 2 July 1919. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Preston Cemetery, Victoria |
| Sources | NAA: B2455, FAIRFAX William Edward |