| Regimental number | 373 |
| Religion | Church of England |
| Occupation | Bank clerk |
| Address | 5 River Street, Balmain, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, James Irwin, 5 River Street, Balmain, Sydney, New South Wales |
| Previous military service | 29th Infantry |
| Enlistment date | 26 May 1916 |
| Date of enlistment from Nominal Roll | 21 May 1916 |
| Rank on enlistment | Private |
| Unit name | Machine Gun Company 9, Reinforcement 4 |
| AWM Embarkation Roll number | 24/14/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A17 Port Lincoln on 20 October 1916 |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 3rd Machine Gun Battalion |
| Fate | Effective abroad (still overseas) |
| Miscellaneous details (Nominal Roll) | *Spelt Nesbitt Boyd Irwin on NR |
