
| Regimental number | 388 |
| Place of birth | Emmaville New South Wales |
| Religion | Roman Catholic |
| Occupation | Tram conductor |
| Address | Rockley, Emmaville, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, Francis Brennan, Rockley, Emmaville, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 36th Battalion, B Company |
| AWM Embarkation Roll number | 23/53/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A72 Beltana on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 36th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 1161 Corporal Francis Joseph BRENNAN, 30th Bn, returned to Australia, 11 December 1918. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Rookwood Necropolis |