|Date of birth|
|Place of birth||Auckland, New Zealand|
|Age at embarkation||26|
|Next of kin||Father, John O'Neill, Mackay Street, Thames, Auckland, New Zealand|
|Previous military service||Nil (previously rejected for enlistment on account of height)|
|Place of enlistment||Enoggera, Queensland|
|Rank on enlistment||Private|
|Unit name||26th Battalion, 21st Reinforcement|
|AWM Embarkation Roll number||23/43/5|
|Embarkation details||Unit embarked from Sydney, New South Wales, on board RMS Ormonde on
|Rank from Nominal Roll||Private|
|Unit from Nominal Roll||49th Battalion|
|Fate||Returned to Australia
War service: Egypt, Western Front
Embarked Sydney, 2 March 1918; disembarked Suez, 7 April 1918.
Embarked Port Tewfik, 30 April 1918; disembarked Southampton, England, 15 May 1918, and marched in to 5th Training Bn, Fovant.
Transferred to 49th Bn Details (12th Training Bn), Codford, 3 June 1918.
Admitted to Brigade Clearing Hospital, Codford, 26 July 1918 (swelling on neck); marched in to 12th Training Bn from hospital, 5 August 1918.
Proceeded overseas to France, 15 August 1918; taken on strength, 49th Bn, in the field, 21 August 1918.
Admitted to 13th Australian Field Ambulance, 4 February 1919 (adenitis tubercular); transferred to 48th Casualty Clearing Station, 5 February 1919; to 14th General Hospital, Boulogne, 8 February 1919; to England, 14 February 1919, and admitted to Fulham Military Hospital; discharged on furlough, 11 March 1919, to report to Headquarters, 25 March 1919, to march out to No 2 Command Depot, Weymouth.
Commenced return to Australia on board HT 'Medic', 10 April 1919; disembarked Brisbane, 31 May 1919; discharged (termination of period of enlistment), Brisbane, 18 June 1919.Medals: British War Medal, Victory Medal
|Date of death|
|Age at death||94|
|Place of burial||Yarraman Cemetery, Queensland|
|Sources||NAA: B2455, O'NEILL Herbert|