| Regimental number | 66769 |
| Date of birth | |
| Place of birth | Tamworth, New South Wales |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | Armidale Road, Tamworth, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Height | 5' 5" |
| Weight | 106 lbs |
| Next of kin | Father, J. O'Brien, Armidale Road, Tamworth, New South Wales |
| Previous military service | 3rd Battalion 33rd Infantry; Served for 4 years in the Senior Cadets. |
| Enlistment date | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Private |
| Unit name | New South Wales Reinforcement 22 |
| AWM Embarkation Roll number | 23/111/6 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Wyreema on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | New South Wales Reinforcements 22 |
| Fate | Discharged |
| Discharge date | |
| Other details |
Embarked Sydney, 14 October 1918. Admitted to Ship's Hospital, 29 November 1918 (tonsillitis); discharged, 2 December 1918. Troopship recalled and disembarked Melbourne, approx. 27 December 1918; discharged Sydney (termination of period of enlistment), 5 January 1919. Medal: British War Medal |
| Date of death | |
| Age at death | 36 |
| Place of burial | West Tamworth Cemetery (Roman Catholic Section), New South Wales |
| Sources | NAA: B2455, O'BRIEN John |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
