| Regimental number | 3024 |
| Place of birth | Busselton, Western Australia |
| School | Augusta State School, Western Australia |
| Religion | Roman Catholic |
| Occupation | Timber hewer |
| Address | Augusta, Western Australia |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, J Brennan, Augusta, Western Australia |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 11th Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/28/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A32 Themistocles on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 11th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Villers-Bretonneux, France |
| Age at death | 25 |
| Age at death from cemetery records | 25 |
| Place of burial | Daours Communal Cemetery Extension (Plot III, Row E, Grave No. 23), France |
| Panel number, Roll of Honour, Australian War Memorial | 61 |
| Miscellaneous information from cemetery records | Parents: John and Catherine BRENNAN, Augusta, Busselton, Western Australia |