| Regimental number | 16/400 |
| Address | Kakahi |
| Marital status | Single |
| Next of kin | Brother, Thompson Mangaroa, Taumarunui |
| Rank on embarkation | Private |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 1st Maori Contingent, A Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 20 Warrimoo on |
| Final rank | Private |
| Final unit | New Zealand Maori Contingent |
| Fate | Died of disease |
| Place of burial | Pieta Military Cemetery (Plot C, Row IV, Grave No 2), Malta |
| Miscellaneous information from cemetery records | Sister: Miss Kuhu Mangaroa, Kakahi, Main Trunk |
| Other details |
War service: Egypt, Gallipoli Died of disease following wounds sustained at Gallipoli. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: A Company/First Maori. Name entered incorrectly on Nominal Roll as Ngare William MANGAROA. |