| Regimental number | 18 |
| Place of birth | South Melbourne, Victoria |
| Religion | Roman Catholic |
| Occupation | Joiner |
| Address | 195 Danks Street, Albert Park, Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Mother, Mrs Phoebe Cosgriff, 195 Danks Street, Albert Park, Melbourne, Victoria |
| Enlistment date | |
| Rank on enlistment | Armourer Sergeant |
| Unit name | 37th Battalion, Headquarters |
| AWM Embarkation Roll number | 23/54/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A34 Persic on |
| Rank from Nominal Roll | Staff Sergeant |
| Unit from Nominal Roll | Australian Army Ordnance Corps |
| Fate | Returned to Australia |
| Family/military connections | Brother: 1667 Sergeant Ernest COSGRIFF, Australian Army Pay Corps, returned to Australia, 28 March 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Brighton General Cemetery |