| Regimental number | 5635 |
| Place of birth | Carlton Victoria |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | 63 Eastwood Street, Kensington, Victoria |
| Marital status | Single |
| Next of kin | Father, John O'Dea, 63 Eastwood Street, Kensington, Victoria |
| Enlistment date | 27 April 1915 |
| Rank on enlistment | Private |
| Unit name | Infantry Brigade 6, Field Ambulance 6, Reinforcement 5 |
| AWM Embarkation Roll number | 26/49/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A70 Ballarat on 9 September 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Army Medical Corps 2nd Field Amb |
| Fate | Returned to Australia 5 April 1919 |