| Regimental number | 266 |
| Place of birth | Galway, Ireland |
| Religion | Church of England |
| Occupation | Labourer |
| Marital status | Single |
| Age at embarkation | 32 |
| Next of kin | Father, Benjamin Dean, Masonic Hall, Evinis, County Clare, Ireland |
| Enlistment date | 15 April 1915 |
| Date of enlistment from Nominal Roll | 20 May 1915 |
| Place of enlistment | Rosehill, New South Wales |
| Rank on enlistment | Able Bodied Driver |
| Unit name | 1st Royal Australian Naval Bridging Train |
| AWM Embarkation Roll number | MIS34.12.1.RANBT1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board A39 Port Macquarie on 4 June 1915 |
| Rank from Nominal Roll | Able Seaman Driver |
| Unit from Nominal Roll | 1st Royal Australian Naval Bridging Train |
| Fate | Returned to Australia 24 June 1916 |
| Sources | NAA: B2455, DEAN William Percy |