| Regimental number | 21519 |
| Place of birth | Perth Western Australia |
| Religion | Church of England |
| Occupation | Electrician |
| Address | Kew, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Percival David O'Connor, 34 Hartington Street, Kew, Victoria |
| Enlistment date | 15 October 1917 |
| Date of enlistment from Nominal Roll | 13 October 1917 |
| Rank on enlistment | Sapper |
| Unit name | Signallers, Special Reinforcements |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board A71 Nestor on 28 February 1918 |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 1st Divisional Signal Company |
| Fate | Returned to Australia 18 July 1919 |