| Regimental number | 3968 |
| Date of birth | 5 June 1875 |
| Place of birth | Springsure Qld |
| Religion | Roman Catholic |
| Occupation | Stockman |
| Address | Springsure, Queensland |
| Marital status | Single |
| Age at embarkation | 38 |
| Next of kin | Mrs Hennessey, Springsure, Queensland |
| Enlistment date | 5 May 1915 |
| Rank on enlistment | Private |
| Unit name | 7th Field Ambulance 1st Reinforcements, C Section |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A11 Ascanius on 24 May 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 7th Field Ambulance |
| Fate | Returned to Australia 3 March 1919 |
| Other details | Son of William and Bridget (nee Galvin) Hennessey |