| Regimental number | 31 |
| Religion | Roman Catholic |
| Occupation | School teacher |
| Address | Zeehan, Tasmania |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, J Oloughlin, Oonah Road, Zeehan, Tasmania |
| Enlistment date | 4 September 1914 |
| Rank on enlistment | Driver |
| Unit name | 12th Battalion, Headquarters |
| AWM Embarkation Roll number | 23/29/1 |
| Embarkation details | Unit embarked from Hobart, Tasmania, on board HMAT A2 Geelong on 20 October 1914 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 12th Battalion |
| Fate | Returned to Australia 8 October 1918 |
| Miscellaneous details (Nominal Roll) | *Spelt John Joseph O'Loughlin on NR |