| Regimental number | 10/3655 |
| Occupation | Engineer |
| Next of kin | Mother, Mrs B Mulcahy, 4 Waterloo Avenue, Wellington |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 9th Reinforcements, Wellington Infantry Battalion, B Company |
| Embarkation details | Unit embarked from Wellington on board SS Maunganui on |
| Final rank | Private |
| Final unit | 2nd Battalion, Wellington Infantry Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 21 |
| Place of burial | No known grave |
| Commemoration details | Caterpillar Valley (New Zealand) Memorial, Longueval, France |
| Miscellaneous information from cemetery records | Parents: Patrick and Isabella Mulcahy, 150 Upland Road, Kelburn, Wellington. Native of Fairlie, Timaru |
| Family/military connections | Father: 24/2044 Patrick MULCAHY; Brother: 10/751 Pte John MULCAHY, Wellington Infantry Regiment, killed in action, 16 September 1916. |
| Sources | Nominal Roll Vol. 2: Roll 21, p. 21 |