
| Regimental number | 3041 |
| Place of birth | Chatham, Kent, England |
| School | St Paul's School, Belfast, Ireland |
| Age on arrival in Australia | 17 |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Elizabeth Ashley, 89 Turner Street, Abbotsford, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Charles Edward Byrnes, 23 Cawnore Street, Belfast, Ireland |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 22nd Battalion, 7th Reinforcement |
| AWM Embarkation Roll number | 23/39/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A73 Commonwealth on |
| Regimental number from Nominal Roll | 3041A |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 60th Battalion |
| Other details from Roll of Honour Circular | "Son of generations of soldiers who might lie in all parts of the world to uphold the honour of the British Flag." (details from mother) |
| Fate | Killed in Action |
| Place of death or wounding | Rue du Bois, Somme sector, France |
| Age at death | 19 |
| Place of burial | Rue-du-Bois Military Cemetery (Plot I, Row G, Grave 32), Fleurbaix, France |
| Panel number, Roll of Honour, Australian War Memorial | 169 |
| Miscellaneous information from cemetery records | Parents: Charles Edward andannie Sophia BYRNES, 37 Tapley Place, Edge Lane, Liverpool, England |