| Regimental number | 46565 |
| Date of birth | |
| Place of birth | New Zealand |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Marital status | Single |
| Age at embarkation | 24.3 |
| Height | 5' 7" |
| Weight | 134 lbs |
| Next of kin | Mother, Mrs M J Dennehy, North Street, Timaru |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Christchurch |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 25th Reinforcements, Canterbury Infantry Regiment, C Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT Turakina on |
| Final rank | Private |
| Final unit | 1st Battalion, Canterbury Infantry Regiment |
| Fate | Killed in Action |
| Place of burial | No known grave |
| Commemoration details | Tyne Cot Memorial (New Zealand Apse, Panel No 2), Zonnebeke, Belgium |
| Miscellaneous information from cemetery records | Parents: the late Michael Frederick and Margaret Josephine Dennehy, North Street, Timaru |
| Family/military connections | Brother: 26/990 Frederick Michael DENNEHY |
| Other details |
War service: Western Front Embarked Wellington, 26 April 1917; disembarked Devonport, England, 5 September 1917; and marched into Sling Camp. Proceeded overseas to France, 5 September 1917; joined 1st Bn, Canterbury Infantry Regiment, in the field, 16 September 1917, and posted to 2nd Company. Wounded in action, 12 October 1917. Now, 27 October 1917, reported 'Killed in action, 12 October 1917.' Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 3: Roll 62, p. 11 Archives New Zealand (Wellington), Agency AABK, Series 18805, File 20996669 |