| Regimental number | 9/443 |
| Date of birth | |
| Place of birth | Edendale, Invercargill |
| Religion | Presbyterian |
| Occupation | Slaughterman |
| Address | Mataura |
| Marital status | Single |
| Age at embarkation | 25 |
| Height | 5' 8.5" |
| Weight | 148 lbs |
| Next of kin | Father, Joseph Irwin, Wyndham, Southland |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Milton |
| Rank on embarkation | Trooper |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, Main Body, Otago Mounted Rifles Regiment |
| Embarkation details | Unit embarked from Wellington on |
| Three squadrons of the Otago Mounted Rifles Regiment left New Zealand on board 'Hawke's Bay', and one squadron on board 'Verdala'. From the Nominal Roll it is not possible to determine on which ship an individual embarked. | |
| Final rank | Trooper |
| Final unit | Otago Mounted Rifles Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 26 |
| Place of burial | No known grave |
| Commemoration details | Hill 60 (New Zealand) Memorial, Gallipoli, Turkey |
| Miscellaneous information from cemetery records | Parents: Joseph Laurie Irwin, and Agnes Irwin, Wyndham, Invercargill |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Otago Mounted Rifles/Main Body |
| Sources | Archives New Zealand (Wellington), Agency AABK, Series 1880, File 18052250 |