| Religion | Presbyterian |
| Occupation | Barrister |
| Address | Selborne Chambers, Melbourne, Victoria |
| Marital status | Married |
| Age at embarkation | 24 |
| Next of kin | Wife, Mrs Margot G McKay, 18 North Road, Brighton, Melbourne, Victoria |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 22nd Battalion, D Company |
| AWM Embarkation Roll number | 23/39/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on |
| Rank from Nominal Roll | Major |
| Unit from Nominal Roll | 22nd Battalion |
| Promotions |
Captain Unit: 22nd Battalion Promotion date: Temporary MAJ Unit: 22nd Battalion Promotion date: |
| Recommendations (Medals and Awards) |
Mention in Despatches Awarded, and promulgated, 'London Gazette', second Supplement, No. 29890 (2 January 1917); 'Commonwealth Gazette' No. 103 (29 June 1917). |
| Fate | Killed in Action |
| Age at death from cemetery records | 25 |
| Place of burial | Pozieres British Cemetery (Plot III, Row E, Grave No. 7), Ovillers-La-Boiselle, France |
| Panel number, Roll of Honour, Australian War Memorial | 97 |
| Miscellaneous information from cemetery records | Parents: George and Mary Henderson MacKAY; Wife: Margot Gordon MacKAY, Church Street, Malvern, Victoria |
| Other details |
War service: Egypt, Gallipoli, Western Front Proceeded to Gallipoli, 30 Auyust 1915. Disembarked at Alexandria from Mudros, 7 Januarg 1916. Proceeded from Alexandria to join the British Expeditionarg Force, 19 March 1916; disembarked Marseilles, 26 March 1916. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Name recorded on Embarkation Roll as McKAY. |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
