| Regimental number | 27168 |
| Place of birth | Brisbane Queensland |
| Religion | Church of England |
| Occupation | Engineer's cadet |
| Address | c/o Mrs R J Gray, Woodsgift, Southport, Queensland |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Mother, Mrs M Gray, Woodsgift, Southport, Queensland |
| Previous military service | 2nf Field Boy Army Engineers |
| Enlistment date | 22 December 1915 |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade 3, Reinforcement 20 |
| AWM Embarkation Roll number | 13/31/5 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A60 Aeneas on 30 September 1916 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 13th Field Artillery Brigade |
| Fate | Returned to Australia 22 May 1919 |
| Family/military connections | Brother: 1328A Pte Robert Huntingdon Grogan GRAY, 15th Bn, died of wounds, 14 May 1915. |