| Date of birth | |
| Place of birth | Sydney, New South Wales |
| Religion | Presbyterian |
| Occupation | Presbyterian minister |
| Address | Hornsby, New South Wales |
| Marital status | Single |
| Age at embarkation | 31 |
| Next of kin | Father, W Gray, Bridge Street, Hornsby, New South Wales |
| Previous military service | Served for c. 1 year in 6th Regiment, Australian Rifles, 1904-05. |
| Enlistment date | |
| Rank on enlistment | Captain |
| Unit name | Chaplains' Corps |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A38 Ulysses on |
| Rank from Nominal Roll | Chaplain |
| Unit from Nominal Roll | Chaplains' Department |
| Promotions |
Captain Promotion date: |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Western Front Married Jessie Dodd CRAIG, spinster, aged 30, Parkhead United Free Church, Glasgow, 15 May 1919. Granted leave with pay and subs (Non-Military Employment), 18 June-30 September 1919: ecclesiastical study at Glasgow University, Scotland. Commenced return to Australia on board HT 'Marathon', 7 November 1919; disembarked Sydney, 1 January 1920; appointment terminated (discharged), 1 April 1920. Medals: British War Medal, Victory Medal |
| Miscellaneous details | Appointment for continuous service. |
| Sources | NAA: B2455, GRAY William John |