| Regimental number | 18464 |
| Place of birth | Annandale New South Wales |
| Religion | Roman Catholic |
| Occupation | Accountant |
| Address | Boundary Road, Roseville, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Mother, Mrs H Gray, Boundary Road, Roseville, Sydney, New South Wales |
| Previous military service | 29th Infantry |
| Enlistment date | 14 January 1916 |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade 7, Battery 25 |
| AWM Embarkation Roll number | 13/35/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A8 Argyllshire on 11 May 1916 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 7th Field Artillery Brigade |
| Fate | Returned to Australia 29 May 1919 |
| Miscellaneous details (Nominal Roll) | *Stated to be Harold David Gray on NR |
