| Regimental number | 570 |
| Place of birth | Ballinliy, Ireland |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, Mortimer O'Sullivan, 12 Mount Collins Street, Belfast, Ireland |
| Enlistment date | |
| Rank on enlistment | Corporal |
| Unit name | 4th Battalion, G Company |
| AWM Embarkation Roll number | 23/21/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board Transport A14 Euripides on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 4th Battalion |
| Fate | Killed in Action |
| Date of death | |
| Place of burial | Lone Pine Cemetery (Row N, Grave No. 21), Gallipoli, Turkey |
| Panel number, Roll of Honour, Australian War Memorial | 41 |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
