| Regimental number | 557 |
| Place of birth | Paddington New South Wales |
| Religion | Church of England |
| Occupation | Motor builder |
| Address | 5 Llandoff Street, Waverley, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Robert Thomas Keirnan, 5 Llandoff Street, Waverley, Sydney, New South Wales |
| Enlistment date | 28 August 1916 |
| Date of enlistment from Nominal Roll | 16 August 1916 |
| Rank on enlistment | Private |
| Unit name | Machine Gun Company 14, Reinforcement 9 |
| AWM Embarkation Roll number | 24/19/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Orontes on 23 December 1916 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 5th Machine Gun Battalion |
| Fate | Returned to Australia 5 July 1919 |