| Regimental number | 30 |
| Place of birth | Smithtown, New South Wales |
| Religion | Roman Catholic |
| Occupation | Bank clerk |
| Address | 159 Birrell Street, Waverley, New South Wales |
| Marital status | Single |
| Age at embarkation | 21.2 |
| Height | 5' 6.25" |
| Weight | 117 lbs |
| Next of kin | Father, Dominic J Byrne, 159 Birrell Street, Waverley, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Liverpool, New South Wales |
| Rank on enlistment | Private |
| Unit name | 4th Light Horse Brigade, Headquarters |
| AWM Embarkation Roll number | 10/4/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board TRANSPORT A29 Suevic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 4th Machine Gun Squadron |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Photo: Robert and Sandra Crofts |
| Discharge date | |
| Other details |
War service: Egypt, Gallipoli, Western Front Commenced return to Australia on board HT 'Devon', 8 October 1919; discharged (termination of period of enlistment), Sydney, 28 December 1919. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Age at death | 29 |
| Place of burial | Rookwood Necropolis (Sec. R.C. 10, 300), Sydney, New South Wales |
| Sources | NAA: B2455, BYRNE John Leo |
