| Regimental number | 1644 |
| Place of birth | Tweed Heads New South Wales |
| Religion | Presbyterian |
| Occupation | Draper |
| Address | Tweed Heads, New South Wales |
| Marital status | Widower |
| Age at embarkation | 29 |
| Next of kin | Mother, Mrs Beatrice Gray, Tweed Heads, New South Wales |
| Enlistment date | 19 August 1915 |
| Date of enlistment from Nominal Roll | 29 August 1915 |
| Rank on enlistment | Private |
| Unit name | 7th Light Horse Regiment, 12th Reinforcement |
| AWM Embarkation Roll number | 10/12/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A34 Persic on 18 November 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 7th Light Horse Regiment |
| Fate | Returned to Australia 14 March 1919 |
| Family/military connections | Brothers: 16465 Lance Corporal John Edward GRAY, 2nd Field Company Engineers, returned to Australia, 16 June 1919; 65066 Pte Andrew John GRAY, 8th Queensland Reinforcements, embarked 7 November 1918; recalled owing to cessation of hostilities. |