| Regimental number | 4/1917 |
| Occupation | Plumber |
| Next of kin | Father, W Dennehy, Lower Hutt, Wellington |
| Rank on embarkation | Sapper |
| Unit name | New Zealand Expeditionary Force, 10th Reinforcements, New Zealand Engineers |
| Embarkation details | Unit embarked from Wellington on |
| Family/military connections | Brother: 10/2418 Pte Bartholomew Joseph DENNEHY, 2nd Bn, Wellington Infantry Regiment, killed in action, 3 July 1916. |
| Sources | Nominal Roll Vol. 2: Roll 26, p. 22 |