| Regimental number | 322 |
| Place of birth | Malvern Victoria |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | Strathmerton, Victoria |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, Arthur O'Leary, 35 Mathour Road, Toorak, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 4th Light Horse Regiment, B Squadron |
| AWM Embarkation Roll number | 10/9/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board Transport A18 Wiltshire on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 4th Light Horse Regiment |
| Fate | Died of wounds |
| Place of burial | Shrapnel Valley Cemetery (Plot II, Row D, Grave No. 29), Gallipoli, Turkey |
| Panel number, Roll of Honour, Australian War Memorial | 4 |