| Regimental number | 1281 |
| Place of birth | Magill South Australia |
| Religion | Church of England |
| Occupation | Motor mechanic |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Mother, Mrs Ellen Cosgrove, Magill, South Australia |
| Enlistment date | 16 August 1915 |
| Rank on enlistment | Private |
| Unit name | 11th Light Horse Regiment, 6th Reinforcement |
| AWM Embarkation Roll number | 10/16/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT SS Hawkes Bay on 26 October 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Army Service Corps, Motor Transport |
| Fate | Returned to Australia 5 March 1919 |
| Family/military connections | Brother: 654 Pte William Donald COSGROVE, Remounts, returned to Australia, 17 August 1916. |
