| Regimental number | 15 |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | 23 Newland Street, Waverley, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 32 |
| Next of kin | Mother, Mrs Mary Byrnes, 23 Newland Street, Waverley, Sydney, New South Wales |
| Enlistment date | 18 December 1914 |
| Rank on enlistment | Private |
| Unit name | Australian Naval & Military Expeditionary Force (Queensland Reinforcement) |
| Fate | No details of fate entered on Nominal Roll |
| Family/military connections | Brother: 2037 Pte Lawrence John BYRNES, 33rd Bn, returned to Australia, 27 April 1919. |