| Regimental number | 7285 |
| Religion | Presbyterian |
| Occupation | Driver |
| Address | Lorne Avenue, Magill, South Australia |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, William D Cosgrove, Lorne Avenue, Magill, South Australia |
| Enlistment date | 17 May 1915 |
| Rank on enlistment | Driver |
| Unit name | Light Horse Brigade Train 4, Reinforcement 4 |
| AWM Embarkation Roll number | 25/102/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A16 Star Of Victoria on 10 September 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 53rd Battalion |
| Fate | Returned to Australia 9 December 1918 |
| Family/military connections | Brothers: 119 Lance Sergeant Horace Donald COSGROVE, 15th Light Horse Regiment, returned to Australia, 7 January 1919; 3281 Pte Leslie George COSGROVE, 50th Bn, killed in action, 13 October 1917. |
