| Regimental number | 785 |
| Place of birth | Hoskingtown, New South Wales |
| School | Bungendore Public School, New South Wales |
| Religion | Roman Catholic |
| Occupation | Commercial traveller |
| Address | Gidleigh, Bungendore, New South Wales |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Wife, Mrs Maude Margaret McKay, Hope Farm, Koorawatha, New South Wales |
| Previous military service | Served as Sergeant-Major in the 11th Light Horse |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 7th Light Horse Regiment, 3rd Reinforcement |
| AWM Embarkation Roll number | 10/12/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A1 Hymettus on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 7th Light Horse Regiment |
| Fate | Died of disease |
| Place of death or wounding | Gallipoli (died of Illness) |
| Age at death | 28 |
| Place of burial | East Mudros Military Cemetery (Plot II, Row F, Grave No. 97), Greece. Entry also recorded in Memorial Register No. 6, Lone Pine Memorial, Gallipoli |
| Panel number, Roll of Honour, Australian War Memorial | 5 |
| Miscellaneous information from cemetery records | Son of John and Mary Ann McKay. Husband of H.M.M. Lamont (formerly McKay) of 'Dunwandrin', Old Windsor Road, Toongabbie, New South Wales |
| Family/military connections | Brother: Pte J McKAY, killed in action 7 August 1915 |