| Regimental number | 12/1705 |
| Place of birth | Pine Hill, Dunedin, Otago |
| Address | Ruatoki North, Taneatua, Bay of Plenty |
| Marital status | Single |
| Next of kin | Father, Cornelius Mahoney, Mayford, Surrey, England |
| Rank on embarkation | Private |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 3rd Reinforcements, Auckland Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on board HMNZT 4 Tahiti on |
| Final rank | Private |
| Final unit | Auckland Infantry Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 20 |
| Place of burial | Shrapnel Valley Cemetery (Plot III, Row C, Grave No 4), Gallipoli, Turkey |
| Miscellaneous information from cemetery records | Parents: Cornelius and Harriet I. Mahoney, Whakatane, Bay of Plenty |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Auckland Infantry Batln/Third |