| Regimental number | 1313 |
| Religion | Roman Catholic |
| Occupation | Cook |
| Address | ... |
| Marital status | Single |
| Age at embarkation | 35 |
| Next of kin | Brother, Wm Reeler O'Brien c/o Mrs Millard, Blayney, New South Wales |
| Enlistment date | 14 September 1914 |
| Rank on enlistment | Private |
| Unit name | 16th Battalion, H Company |
| AWM Embarkation Roll number | 23/33/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A40 Ceramic on 22 December 1914 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Anzac Provost Corps |
| Fate | Returned to Australia 27 August 1917 |
