| Regimental number | 678 |
| Place of birth | Cooktown Queensland |
| Religion | Church of England |
| Occupation | Miner |
| Address | Cairns, Queensland |
| Marital status | Single |
| Age at embarkation | 34 |
| Next of kin | Father, S Byrnes, Hope Street, Cooktown, Queensland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | Machine Gun Company 3, Reinforcement 12 |
| AWM Embarkation Roll number | 24/8/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A29 Suevic on |
| Fate | Killed in Action |
| Age at death from cemetery records | 36 |
| Place of burial | Adelaide Cemeterry (Plot III, Row I, Grave 1), Villers-Bretonneux, France |
| Panel number, Roll of Honour, Australian War Memorial | 133 |
| Miscellaneous information from cemetery records | Parents: Samuel St. Quinten and Maria BYRNES, Cooktown, Queensland |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |