| Regimental number | 511 |
| Place of birth | Port Albert Victoria |
| Other Names | Rossiter, Harry Byron |
| Religion | Church of England |
| Occupation | Commercial traveller |
| Address | Garden Street, Geelong, Victoria |
| Marital status | Single |
| Age at embarkation | 32 |
| Next of kin | Father, John Rossiter, Garden Street, Geelong, Victoria |
| Enlistment date | 3 July 1915 |
| Date of enlistment from Nominal Roll | 14 July 1915 |
| Rank on enlistment | Private |
| Unit name | 31st Battalion, B Company |
| AWM Embarkation Roll number | 23/48/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A62 Wandilla on 9 November 1915 |
| Two ships left from Melbourne carrying the 31st Battalion Headquarters and Companies A, B, C and D: HMAT A62, 'Wandilla', on 9 November 1915 and HMAT A41, 'Bakara', on 5 November 1915. It is not possible from the Embarkation Roll to determine on which ship an individual embarked. |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A41 Bakara on 5 November 1915 |
| Two ships left from Melbourne carrying the 31st Battalion Headquarters and Companies A, B, C and D: HMAT A62, 'Wandilla', on 9 November 1915 and HMAT A41, 'Bakara', on 5 November 1915. It is not possible from the Embarkation Roll to determine on which ship an individual embarked. |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 31st Battalion |
| Fate | Returned to Australia 10 March 1918 |