| Regimental number | 77 |
| Place of birth | Ballarat Victoria |
| Religion | Roman Catholic |
| Occupation | Telephone mechanic |
| Address | Ballarat, Victoria |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, Timothy Costelloe, 1 Durham Street, Ballarat, Victoria |
| Enlistment date | 21 March 1916 |
| Rank on enlistment | Private |
| Unit name | 39th Battalion, A Company |
| AWM Embarkation Roll number | 23/56/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on 27 May 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 39th Battalion |
| Fate | Returned to Australia 14 January 1918 |
