| Regimental number | 3808 |
| Place of birth | North Gippsland, Victoria |
| Religion | Methodist |
| Occupation | Labourer |
| Address | Fernbank, North Gippsland, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Thomas John Dennis, Fernbank, North Gippsland, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 23rd Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/49/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A69 Warilda on |
| Rank from Nominal Roll | Bombardier |
| Unit from Nominal Roll | 1st Divisional Ammunition Column |
| Fate | Returned to Australia |
| Family/military connections | Brother: 435 Pte Charles Thomas DENNIS, 14th Bn, returned to Australia, 2 March 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Bairnsdale Cemetery |