| Regimental number | 3335 |
| Place of birth | Bathurst New South Wales |
| Other Names | HENNESSEY |
| School | Bourke Street Public School, Surry Hills, New South Wales |
| Religion | Roman Catholic |
| Occupation | Bootmaker |
| Address | 113 Morehead Street, Redfern, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, W Hennessy, 53 Roffs Street, Leichhardt, Sydney, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Waterloo, New South Wales |
| Rank on enlistment | Private |
| Unit name | 13th Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/30/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A17 Port Lincoln on |
| Regimental number from Nominal Roll | 4208 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Battalion |
| Fate | Killed in Action |
| Family/military connections | Brother: 17983 Sapper James HENNESSY, 1st Field Squadron Engineers, returned to Australia, 23 December 1918. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |