| Regimental number | 12/2808 |
| Address | Seddon Avenue, Waihi |
| Marital status | Single |
| Next of kin | Brother, Thomas O'Sullivan, School Teacher, Old Head, Kingsdale, Cork, Ireland |
| 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 |
| Miscellaneous details | Nominal Roll Vol. 1: Auckland Infantry Batln/Sixth |