| Regimental number | 1251 |
| Place of birth | Sale, Victoria |
| Religion | Roman Catholic |
| Occupation | Railway employee |
| Address | Sale, Victoria |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Timothy O'Leary, McArthur Street, Sale, Victoria |
| Enlistment date | |
| Rank on enlistment | Lance Corporal |
| Unit name | 37th Battalion, D Company |
| AWM Embarkation Roll number | 23/54/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A34 Persic on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 37th Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 22 |
| Place of burial | Cite Bonjean Military Cemetery (Plot IV, Row B, Grave No. I), Armentieres, France |
| Panel number, Roll of Honour, Australian War Memorial | 128 |
| Miscellaneous information from cemetery records | Parents: Timothy and Jane O'LEARY |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
