| Regimental number | 1668 |
| Place of birth | Brisbane Queensland |
| Religion | Roman Catholic |
| Occupation | Motor driver and clerk |
| Address | Helensgrove Road, Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 31 |
| Next of kin | Mother, Mrs E Cassidy, Kelvin Grove Road, Brisbane, Queensland |
| Enlistment date | 26 September 1914 |
| Rank on enlistment | Cleaner |
| Unit name | 301st (Mechanical Transport), 8th Company, Army Service Corps (17th Divisional Ammunition Park) |
| AWM Embarkation Roll number | 25/98/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A40 Ceramic on 22 December 1914 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 8th Company Australian Army Service Corps |
| Fate | Returned to Australia 8 May 1916 |
| Other details | Son of William and Elizabeth (nee Gallagher) Cassidy |