| Regimental number | 3560 |
| Place of birth | West Maitland New South Wales |
| Religion | Presbyterian |
| Occupation | Grazier |
| Address | 'Anambah', West Maitland, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, W H Mackay, 'Anambah', West Maitland, New South Wales |
| Enlistment date | 24 April 1917 |
| Rank on enlistment | Private |
| Unit name | 1st Light Horse Regiment, 31st Reinforcement |
| AWM Embarkation Roll number | 10/6/5 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A73 Commonwealth on 2 November 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 12th Light Horse Regiment |
| Fate | Effective abroad (still overseas) |
