|Place of birth||Narrabri, New South Wales|
|Address||Narrabri West, New South Wales|
|Age at embarkation||20|
|Next of kin||E. O'Brien, Narrabri West, New South Wales|
|Previous military service||Citizen Forces|
|Date of enlistment from Nominal Roll|
|Place of enlistment||Randwick. New South Wales|
|Rank on enlistment||Private|
|Unit name||2nd Battalion, B Company|
|AWM Embarkation Roll number||23/19/1|
|Embarkation details||Unit embarked from Sydney, New South Wales, on board HMAT A23 Suffolk on
|Rank from Nominal Roll||Lance Corporal|
|Unit from Nominal Roll||2nd Battalion|
|Fate||Returned to Australia
|Miscellaneous information from|
|Parents: Thomas and Jane O'BRIEN|
War service: Egypt, Gallipoli
Embarked Alexandria to join the Mediterranean Expeditionary Force, 5 April 1915.
Promoted Lance Corporal, Lemnos, 8 April 1915.
Wounded in action, Gallipoli, 25 April 1915 (gunshot wound, right arm and left foot); admitted to No 17 General Hospital, Alexandria, 1 May 1915; transferred to No 15 General Hospital, 30 May 1915; to No 1 Australian General Hospital, Cairo, 27 July 1915; transferred to Convalescent Camp, Helouan, 29 July 1915.
Commenced return to Australia from Suez on board HT 'Themistocles', 15 August 1915; disembarked, 9 September 1915; discharged Sydney (medically unfit: battle wound leg and arm), 8 January 1916.
Medals: 1914-15 Star, British War Medal, Victory MedalDeath attributed to war service.
|Date of death|
|Age at death||40|
|Place of burial||Gladstone Cemetery, Queensland|
|Sources||NAA: B2455, O'BRIEN John Wilfred|