
| Regimental number | 3603 |
| Place of birth | Stepney, South Australia |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Poltalloch via Milang, South Australia |
| Marital status | Single |
| Age at embarkation | 27.10 |
| Height | 5' 5.5" |
| Weight | 116 lbs |
| Next of kin | Sister, Miss Mary O'Rielly, 19 West Terrace, Adelaide, South Australia |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Private |
| Unit name | 32nd Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/49/2 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A70 Ballarat on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 32nd Battalion |
| Other details from Roll of Honour Circular | Surname entered on cemetery headstone as O'REILLY. |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Western Front Commenced return to Australia from Devonport on board HT 'Runic', 4 May 1917; discharged (medically unfit: defective eyesight), Adelaide, 6 August 1917. Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | West Terrace Cemetery, Adelaide, South Australia |
| Sources | NAA: B2455, O'RIELLY John Patrick |