| Regimental number | 12474 |
| Place of birth | Bathurst, New South Wales |
| Religion | Presbyterian |
| Occupation | Draper |
| Address | Trangie, New South Wales |
| Marital status | Single |
| Age at embarkation | 26 |
| Height | 5' 7" |
| Weight | 160 lbs |
| Next of kin | Father, A S Mackay, Narromine Street, Trangie, New South Wales |
| Enlistment date | 16 March 1916 |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Private |
| Unit name | Army Service Corps August 1916 Reinforcements |
| AWM Embarkation Roll number | 25/108/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A68 Anchises on 24 August 1916 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A49 Seang Choon on 23 September 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Division Train |
| Fate | Returned to Australia 9 July 1919 |
| Sources | NAA: B2455, MACKAY Bert Alexander |