| Regimental number | 9/2102 |
| Occupation | Bushman |
| Next of kin | Brother, Thomas O'Sullivan, 2 Carr Street North East Valley Dunedin |
| Rank on embarkation | Trooper |
| Unit name | New Zealand Expeditionary Force, 10th Reinforcements, Otago Mounted Rifles, D Squadron |
| Embarkation details | Unit embarked from Wellington on |
| Sources | Nominal Roll Vol. 2: Roll 26, p. 6 |