
| Regimental number | 2877 |
| Place of birth | Cherry Tree Hill, New South Wales |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | Cherry Tree Hill via Inverell, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| 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 | Returned to Australia |
| Discharge date | |
| Other details |
War Service: Disembarked at Devonport 29 January 1917. Proceeded to Frrance on 3 May 1917. Taken on strength of 33rd Battalion 22 May 1917. Sent to hospital sick on 25 September 1917; discharged to duty 17 November 1917. During 1918, he was hospitalised for VD treament. Wounded in action (gun shot wound, right arm) 7 September 1918, sent to hospital in England. Returned to Australia per H.T. "Delta", 22 March 1919 Medals: British War Medal; Victory Medal |
| Date of death | |
| Place of burial | Inverell Cemetery, New South Wales |