| Regimental number | 66750 |
| Place of birth | Sydney New South Wales |
| Religion | Presbyterian |
| Occupation | Clerk |
| Address | 521 Darling Street, Rozelle, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, J H Mackay, 521 Darling Street, Rozelle, Sydney, New South Wales |
| Previous military service | 2nd Battalion 1st Infantry |
| Enlistment date | 15 May 1918 |
| Rank on enlistment | Private |
| Unit name | New South Wales Reinforcement 22 |
| AWM Embarkation Roll number | 23/111/6 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Wyreema on 14 October 1918 |
| Fate | No details of fate entered on Nominal Roll |