| Regimental number | 765 |
| Place of birth | Boonah Queensland |
| Religion | Church of Christ |
| Occupation | Bank clerk |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Alex McKay, Dugandan Fasifern Line, Queensland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 15th Battalion, E Company |
| AWM Embarkation Roll number | 23/32/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board Transport A40 Ceramic on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 15th Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | Name stated to be Thomas Aubrey McKay on Norminal Roll |
| Miscellaneous information from cemetery records | Plaque in Queensland Garden of Remembrance |
| Family/military connections | Brother: 764 Pte Alexander George McKAY, 15th Bn, returned to Australia, 19 January 1916. |
| Date of death |