| Regimental number | 16/260 |
| Address | Colac Bay, Southland |
| Marital status | Single |
| Next of kin | James Stewart Coupar, Colac Bay, Southland |
| Rank on embarkation | 2nd Lieutenant |
| 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 | Lieutenant |
| Final unit | New Zealand Pioneer Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 40 |
| Place of burial | Cite Bonjean Military Cemetery (Plot I, Row C, Grave No 1), Armentieres, France |
| Miscellaneous information from cemetery records | Parents: James and Mary Coupar, Colac Bay, Wallace, New Zealand |
| Miscellaneous details | Nominal Roll Vol. 1: A Company/First Maori |