| Regimental number | 28043 |
| Religion | Church of England |
| Occupation | Law student |
| Address | 'Ardachy', Mowbray Road, Chatswood, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, G S Mackellar, 'Ardachy', Mowbray Road, Chatswood, New South Wales |
| Enlistment date | 5 September 1916 |
| Rank on enlistment | Gunner |
| Unit name | Divisional Ammunition Column 4, Reinforcement 7 |
| AWM Embarkation Roll number | 25/92/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A11 Ascanius on 25 October 1916 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 2nd Division Ammunition Column |
| Fate | Returned to Australia 28 March 1919 |