| Regimental number | 3303 |
| Other Names | MACKAY |
| Religion | Presbyterian |
| Occupation | Labourer |
| Address | Emu Hill, Inverell, New South Wales |
| Marital status | Single |
| Age at embarkation | 35 |
| Next of kin | Father, John McKay, Ulan, via Mudgee, New South Wales |
| Enlistment date | 20 January 1917 |
| Rank on enlistment | Private |
| Unit name | 6th Light Horse Regiment, 27th Reinforcement |
| AWM Embarkation Roll number | 10/11/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A15 Port Sydney on 9 May 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 6th Light Horse |
| Fate | Effective abroad (still overseas) |
