| Regimental number | 8/1707 |
| Address | PO, North East Valley, Dunedin |
| Marital status | Single |
| Next of kin | Father, Francis Brennan, North East Valley, Dunedin |
| Rank on embarkation | Private |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 4th Reinforcements, Otago Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on board Willochra on |
| Final rank | Private |
| Final unit | 1st Battalion, Otago Infantry Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 21 |
| Place of burial | Cite Bonjean Military Cemetery (Plot I, Row C, Grave No 4), Armentieres, France |
| Miscellaneous information from cemetery records | Parents: Francis and Jane Brennan, Upper Junction, Dunedin |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Otago Infantry Batln/Fourth |