| Regimental number | 12/2807 |
| Address | Rosedale, Mount Albert, Auckland |
| Marital status | Single |
| Next of kin | Father, Mortimer O'Sullivan, Rosedale, Mount Albert, Auckland |
| Rank on embarkation | Private |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 6th Reinforcements, Auckland Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on board Willochra on |
| Final rank | Private |
| Final unit | 2nd Battalion, Auckland Infantry Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 31 |
| Place of burial | No known grave |
| Commemoration details | Caterpillar Valley (New Zealand) Memorial, Longueval, France |
| Miscellaneous information from cemetery records | Parents: Catherine O'Sullivan, 'Rosedale', 2 Gladstone Road, Mount Albert, Auckland, and the late Mortimer O'Sullivan |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Auckland Infantry Batln/Sixth |