| Regimental number | 2352 |
| Place of birth | Glasgow Scotland |
| Religion | Presbyterian |
| Occupation | Labourer |
| Address | Longwarry, Gippsland |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Brother, George Mackay, Durban, South Africa |
| Enlistment date | 1 December 1915 |
| Rank on enlistment | Private |
| Unit name | 4th Light Horse Regiment, 16th Reinforcement |
| AWM Embarkation Roll number | 10/9/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A53 Itria on 18 April 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Light Horse Machine Gun Squadron |
| Fate | Returned to Australia 8 March 1915 |
