| Regimental number | 2878 |
| Place of birth | Inverell, New South Wales |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | Cherry Tree Hill via Inverell, New South Wales |
| Marital status | Single |
| Age at embarkation | 34 |
| Next of kin | Father, Bernard McCosker, Cherry Tree Hill via Inverell, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 33rd Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/50/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A72 Beltana on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 33rd Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Messines, Belgium |
| Age at death | 24.7 |
| Age at death from cemetery records | 34 |
| Place of burial | Bethlehem Farm West Cemetery (Row A, Grave No. 38), Messines, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 122 |
| Miscellaneous information from cemetery records | Parents: Bernard and Merab MCCOSKER |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
