| Regimental number | 4471 |
| Place of birth | Harroweald England |
| Religion | Church of England |
| Occupation | Gardener |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, J M Dean, 27 Greatham Road, Watford, England |
| Enlistment date | 29 June 1915 |
| Date of enlistment from Nominal Roll | 13 July 1915 |
| Rank on enlistment | Private |
| Unit name | 14th Battalion, 14th Reinforcement |
| AWM Embarkation Roll number | 23/31/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A70 Ballarat on 18 February 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 14th Battalion |
| Fate | Returned to Australia 23 July 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Sidney Dean on NR |
| Date of death | 23 May 1957 |
| Place of burial | West Terrace Cemetery |
