| Regimental number | 2980 |
| Place of birth | Lithgow New South Wales |
| Religion | Presbyterian |
| Occupation | Engine driver |
| Address | Mount Magnet, Western Australia |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Mother, Mrs R N Cassey, Hepburn Street, Mount Magnet, Western Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 5th Pioneer Battalion, Reinforcement 6 |
| AWM Embarkation Roll number | 14/17/4 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A16 Port Melbourne on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 5th Pioneer Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 2979 Corporal Charles CASSEY, 5th Pioneer Bn, returned to Australia 16 March 1918. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |