| Regimental number | 9/2084 |
| Occupation | Farm labourer |
| Next of kin | Father, John Mackay, Canna Street, Lawrence |
| Rank on embarkation | Trooper |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 10th Reinforcements, Otago Mounted Rifles, D Squadron |
| Embarkation details | Unit embarked from Wellington on |
| Final rank | Sergeant |
| Final unit | 1st Battalion, Otago Infantry Regiment |
| Fate | Died of wounds |
| Age at death from cemetery records | 23 |
| Place of burial | Lijssenthoek Military Cemetery (Plot No XX, Row C, Grave No 1A), near Ieper, Belgium |
| Miscellaneous information from cemetery records | Parents: John and Elizabeth Mackay. Native of Tuapeka West |
| Other details |
War service: Egypt, Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 26, p. 6 |