| Regimental number | 2163 |
| Place of birth | Wellington New South Wales |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | Montefiores, Wellington, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, William Collins Brennan, same address |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 7th Light Horse Regiment, 15th Reinforcement |
| AWM Embarkation Roll number | 10/12/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A67 Orsova on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Imperial Camel Corps |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Plaque in New South Wales Garden of Remembrance |
| Family/military connections | Brother: 1099 Pte William Gregory BRENNAN, 3rd Bn, died of wounds, 24 July 1915. |
| Date of death |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
