| Regimental number | 4564 |
| Place of birth | Maryborough N/A |
| Religion | Presbyterian |
| Occupation | Loco fireman |
| Address | Tiaro, Queensland |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Robert Whannell, Tiaro, Queensland |
| Enlistment date | 7 October 1915 |
| Rank on enlistment | Private |
| Unit name | 25th Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/42/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT Star of Victoria on 31 March 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 25th Battalion |
| Fate | Returned to Australia 31 January 1918 |
| Family/military connections | Brother: 1921A Lance Corporal James WHANNELL MM, 41st Bn, returned to Australia, 20 May 1919. |
