| Place of birth | Melbourne Victoria |
| Religion | Roman Catholic |
| Occupation | Auctioneer, farmer, and grazier |
| Address | Birchip, Victoria |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Brother, F M O'Donnell, Birchip, Victoria |
| Enlistment date | |
| Rank on enlistment | Lieutenant |
| Unit name | 38th Battalion, Machine Gun Section |
| AWM Embarkation Roll number | 23/55/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A54 Runic on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 38th Battalion |
| Recommendations (Medals and Awards) |
Mention in Despatches Awarded, and promulgated, 'London Gazette' No. 30706 (28 May 1918); 'Commonwealth Gazette' No. 165 (24 October 1918). |
| Fate | Returned to Australia |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |