| Regimental number | 9/1820 |
| Date of birth | |
| Place of birth | Queenstown |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Marital status | Single |
| Age at embarkation | 20 |
| Height | 5' 5.5" |
| Weight | 140 lbs |
| Next of kin | Father, J Dagg, 10 Coupar Street, Kaikorai, Dunedin |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Trentham |
| Rank on embarkation | Trooper |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 9th Reinforcements, Otago Mounted Rifles, D Squadron |
| Embarkation details | Unit embarked from Wellington on board SS Maunganui on |
| Final rank | Private |
| Final unit | 2nd Battalion, Otago Infantry Regiment |
| Fate | Killed in Action |
| Place of burial | No known grave |
| Commemoration details | Caterpillar Valley (New Zealand) Memorial, Longueval, France |
| Miscellaneous information from cemetery records | Parents: Mr & Mrs J. Dagg, 10 Gilmore Street, Kaikorai, Dunedin |
| Other details |
War service: Egypt, Western Front War service: 340 days (of which 252 days were abroad) Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 21, p. 11 Archives New Zealand (Wellington), Agency AABK, Series 18805, File 20994880 |