|Place of birth||Sydney, New South Wales|
|School||St Ignatius College, Riverview, Sydney; Sydney Grammar School, New South Wales|
|Other training||University of Sydney, NSW|
|Address||Floradel, Edgecliff Road, Woollahra, New South Wales|
|Age at embarkation||29|
|Next of kin||Father, William Francis Brennan, Floradel, Edgecliff Road, Woollahra, New South Wales|
|Previous military service||Nil|
|Place of enlistment||Liverpool, New South Wales|
|Rank on enlistment||2nd Lieutenant|
|Unit name||6th Light Horse Regiment, 13th Reinforcement|
|AWM Embarkation Roll number||10/11/3|
|Embarkation details||Unit embarked from Sydney, New South Wales, on board HMAT A60 Aeneas on
|Fate||Died of wounds
|Place of death or wounding||Gaza, Palestine|
|Age at death||30|
|Age at death from cemetery records||30|
|Place of burial||Gaza War Cemetery (Plot XX, Row D, grave No. 13), Palestine|
|Panel number, Roll of Honour,|
Australian War Memorial
|Miscellaneous information from|
|Parents: William Francis and Elizabeth BRENNAN, 375 George Street, Sydney, New South Wales|
|Family/military connections||Sister Adele BRENNAN, Voluntary Aid Detachment, died Leicester, England; Lieutenant John Clive BRENNAN, 4th Bn, wounded in France, returned to Australia, 20 June 1919.|
War service: Egypt, Palestine
Taken on strength, 6th Light Horse Regiment, Maadi, 17 January 1916.
Appointed Lieutenant, 22 February 1916.
Transferred to 2nd Light Horse Reserve Regiment, 1 March 1916.
Taken on strength, 12th Light Horse Regiment, 20 March 1916.
Admitted to 1st Light Horse Field Ambulance, 24 May 1916 (inflamed eye); discharged to duty and rejoined unit, 26 May 1916.
Marched out to Officers School of Instruction, Zeitoun, 31 December 1916; rejoined unit, 23 January 1917.
Wounded in action, 19 April 1917; admitted to 4th Light Horse Field Ambulance Mobile Section, 19 April 1917 (gun shot wound, head and chest); transferred to Casualty Clearing Station, Tel-el-Jemmi, 20 April 1917; to 6th Mounted Brigade Field Ambulance, Tel-el-Jemmi, Palestine, 20 April 1917; died of wounds, 20 April 1917.
Medals: British War Medal, Victory MedalBritish War Medal marked returned 19 August 1959
|Sources||NAA: B2455, BRENNAN William Keating|