| Regimental number | 3594 |
| Place of birth | Sydney New South Wales |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Oxley Island, Manning River, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Mother, Mrs Florence Ethel Schubert, Oxley Island, Manning River, New South Wales |
| Enlistment date | 9 June 1917 |
| Date of enlistment from Nominal Roll | 5 June 1917 |
| Rank on enlistment | Private |
| Unit name | 7th Light Horse Regiment, 32nd Reinforcement |
| AWM Embarkation Roll number | 10/12/5 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A73 Commonwealth on 2 November 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 7th Light Horse Regiment |
| Fate | Returned to Australia 14 March 1919 |
| Family/military connections | Brother: 2538 Pte Thomas William BYRNES, 9th Light Trench Mortar Battery, returned to Australia, 11 May 1919. |