| Regimental number | 2699 |
| Place of birth | St Arnaud Victoria |
| Religion | Presbyterian |
| Occupation | Labourer |
| Address | Queens Avenue, St Arnaud, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Alexander McKay, Queens Avenue, St Arnaud, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 23rd Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/40/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 57th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 2700 Pte Roderick McKAY, 57th Bn, returned to Australia, 25 February 1919. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Fawkner Cemetery |