| Regimental number | 3387 |
| Place of birth | St Arnaud Victoria |
| Religion | Presbyterian |
| Occupation | Labourer |
| Address | St Arnaud, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, A McKay, 59 McKean Street, Clifton Hill, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 6th Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/23/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 6th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 3388 Lance Corporal Thomas Alexander McKAY, 6th Bn, returned to Australia, 31 March 1919. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |