| Regimental number | 9956 |
| Place of birth | Tipperary, Ireland |
| Religion | Roman Catholic |
| Occupation | Chemist |
| Address | Co Tipperary, Ashel, Ireland |
| Marital status | Single |
| Age at embarkation | 43 |
| Next of kin | Brother, J Costello, County Tipperary, Ashel, Ireland |
| Enlistment date | 23 August 1915 |
| Place of enlistment | Holsworthy, New South Wales |
| Rank on enlistment | Private |
| Unit name | 2nd Australian General Hospital, 16th Reinforcement |
| AWM Embarkation Roll number | 26/66/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A16 Star of Victoria on 31 May 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Army Medical Corps Details |
| Fate | Returned to Australia 20 July 1919 |
| Sources | NAA: B2455, COSTELLO Edward Michael |