| Regimental number | 1367 |
| Place of birth | North Melbourne, Victoria |
| Place of birth | West Melbourne |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | 71 Dryburgh Street, North Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, W M Hennessy, 71 Dryburgh Street, North Melbourne, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 14th Battalion, 1st Reinforcement |
| AWM Embarkation Roll number | 23/31/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A35 Berrima on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 14th Battalion |
| Other details from Roll of Honour Circular | Worked as a labourer before the start of the War. Enlisted 24th September, 1914. Wounded at Gallipoli on 8th August, 1915. |
| Fate | Died of wounds |
| Place of death or wounding | Gallipoli, Turkey |
| Date of death | |
| Age at death | 26 |
| Age at death from cemetery records | 20 |
| Place of burial | Raider Pashe Cemetery (Plot II, Row E, Grave No. 15), Constantinople, Asia |
| Panel number, Roll of Honour, Australian War Memorial | 72 |
| Miscellaneous information from cemetery records | Parents: william and Alice HENNESSY, 3 Elm Street, North Melbourne, Victoria |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | P O W BURIED IN TURKEY. HAIDAR PASHA CEMETERY, CONSTANTINOPLE |