| Place of birth | Oamaru, New Zealand |
| Age on arrival in Australia | 19 |
| Religion | Roman Catholic |
| Occupation | Driller and engineer |
| Marital status | Married |
| Age at embarkation | 25 |
| Next of kin | Wife, Mrs J M McKay, 179 Park Street, Parkville, Melbourne, Victoria |
| Previous military service | Served in the Duntroon Rifles, New Zealand |
| Enlistment date | |
| Place of enlistment | Narrabri, New South Wales |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 4th Battalion, 19th Reinforcement |
| AWM Embarkation Roll number | 23/21/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A18 Wiltshire on |
| Rank from Nominal Roll | Lieutenant |
| Fate | Died of wounds |
| Place of death or wounding | Bullecourt, France |
| Age at death | 26 |
| Age at death from cemetery records | 26 |
| Place of burial | Grevillers British Cemetery (Plot III, Row E, Grave No. 16), France |
| Panel number, Roll of Honour, Australian War Memorial | 41 |
| Miscellaneous information from cemetery records | Parents: William and Mary MCKAY; husband of Jessie MCKAY, 179 Park Street, Parkville, Victoria |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |