| Regimental number | 2120 |
| Place of birth | Sydney New South Wales |
| Religion | Roman Catholic |
| Occupation | Bank clerk |
| Address | 'Killara', Hayberry Street, North Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, R Brennan, 'Killara', Hayberry Street, North Sydney, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 20th Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/37/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A8 Argyllshire on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Machine Gun Battalion |
| Fate | Returned to Australia |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |