| Regimental number | 110 |
| Place of birth | Caboolture Queensland |
| Religion | Roman Catholic |
| Occupation | Miner |
| Address | Many Peaks via Gladstone, Queensland |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Father, Thomas Alexander McCosker, Many Peaks, Queensland |
| Enlistment date | 12 April 1916 |
| Rank on enlistment | Private |
| Unit name | Machine Gun Company 11 |
| AWM Embarkation Roll number | 24/16/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A30 Borda on 5 June 1916 |
| Rank from Nominal Roll | Staff Sergeant |
| Unit from Nominal Roll | 3rd Machine Gun Battalion |
| Fate | Returned to Australia 10 May 1919 |