| Regimental number | 104 |
| Place of birth | Kilcommon, Co Tipperary, Ireland |
| School | Kilcommon National School, Co Tipperary, Ireland |
| Age on arrival in Australia | 23 |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Rose Cottage, Dean Street, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 25 |
| Height | 5' 9" |
| Weight | 168 lbs |
| Next of kin | Father, John Brennan, Kilcommon, Thurles, Tipperary, Ireland |
| Previous military service | Served for 3 months in the Connaught Rangers.; Nil |
| Enlistment date | |
| Place of enlistment | Kensington, New South Wales |
| Rank on enlistment | Private |
| Unit name | 3rd Battalion, A Company |
| AWM Embarkation Roll number | 23/20/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A14 Euripides on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 3rd Battalion |
| Other details from Roll of Honour Circular | Father had served as a saddler in the 3rd Dragoon Guards, British Army. |
| Fate | Killed in Action |
| Place of death or wounding | Lone Pine, Gallipoli, Turkey |
| Date of death | |
| Age at death | 26 |
| Age at death from cemetery records | 26 |
| Place of burial | Lone Pine Cemetery (Plot III, Row B, Grave No. 44), Gallipoli, Turkey |
| Panel number, Roll of Honour, Australian War Memorial | 35 |
| Miscellaneous information from cemetery records | Parents: John and Mary BRENNAN, Kilcommon, Thurles, Co Tipperary, Ireland |
| Family/military connections | Brother: 6662 Sapper Joseph Francis BRENNAN, 7th Field Company Engineers, killed in action, France, 10 January 1917. |
| Other details |
War service: Egypt, Gallipoli Embarked, Sydney, 20 October 1914; embarked to join the Mediterranean Expeditionary Force, 5 April 1915; appointed Lance Corporal of the 3rd Bn, Anzac, 1 May 1915. To Hospital (sick), 5 June 1915; reported wounded and missing, Anzac, from 7 August 1915, until 12 August 1915; reported killed in action, Gallipoli Peninsula, sometime betwee, 7 August 1915 and 12 August 1915. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, BRENNAN Philip Joseph |