| Regimental number | 863 |
| Religion | Church of England |
| Occupation | Orchardist |
| Address | Blackboy Hill, Western Australia |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, Hugh Hann, Superintendent of Prisons, Fremantle, Western Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 28th Battalion, A Company |
| AWM Embarkation Roll number | 23/45/1 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, |
| 30 Officers and 982 Other Ranks embarked at Fremantle on HMAT A11 'Ascanius' on 29 June 1915; 12 others embarked at Fremantle on HMAT A36 'Thirty-Six' on 12 July 1916. From Embarkation Records it is not possible to distinguish the latter 12. | |
| Regimental number from Nominal Roll | 1856 |
| Rank from Nominal Roll | Company Quartermaster Sergeant |
| Unit from Nominal Roll | 31st Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 285 Driver Robert Gordon HANN, 4th Divisional Ammunition Column, returned to Australia, 10 July 1916. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |