| Regimental number | 1227 |
| Place of birth | Kent England |
| Other Names | Harry Dudley |
| Religion | Church of England |
| Occupation | Student |
| Address | Sidcup, Kent, England |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, James Watson Dickinson, Sidcup, Kent, England |
| Enlistment date | 15 April 1915 |
| Rank on enlistment | Acting Corporal |
| Unit name | 5th Light Horse Regiment, 9th Reinforcement |
| AWM Embarkation Roll number | 10/10/2 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A1 Hymettus on 17 September 1915 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 5th Light Horse Regiment |
| Fate | Effective abroad (still overseas) |
| Date of death | 20 March 1979 |
| Place of burial | Albany Creek Crematorium |
