| Regimental number | 5413 |
| Place of birth | Nyngan New South Wales |
| Religion | Roman Catholic |
| Occupation | Farm labourer |
| Address | Kelvin, Gunnedah, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, H J McCosker, Guyra, New South Wales |
| Enlistment date | 10 January 1916 |
| Rank on enlistment | Private |
| Unit name | 3rd Battalion, 17th Reinforcement |
| AWM Embarkation Roll number | 23/20/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on 14 April 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 55th Battalion |
| Fate | Returned to Australia 12 May 1918 |
| Date of death | 26 September 1952 |
| Place of burial | Macquarie Park Cemetery |
