| Regimental number | 13189 |
| Place of birth | Sydney New South Wales |
| Religion | Roman Catholic |
| Occupation | Engineer |
| Address | 'Aloha', Ada Street, Randwick, New South Wales |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Father, Martin Brennan, Brim, Victoria |
| Enlistment date | 25 September 1916 |
| Rank on enlistment | Driver |
| Unit name | Auxiliary Mechanical Transport Company 2, Head-Quarters |
| AWM Embarkation Roll number | 25/113/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A34 Persic on 22 December 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 5th Trench Mortar Company |
| Fate | Effective abroad (still overseas) |
