| Regimental number | 3668 |
| Place of birth | Tatura Victoria |
| Religion | Church of England |
| Occupation | Civil engineer |
| Address | 23 Parkes Street, St Kilda, Victoria |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, James Reardon, Bunyip, Victoria |
| Enlistment date | 28 August 1916 |
| Rank on enlistment | Private |
| Unit name | 2nd Pioneer Battalion, Reinforcement 9 |
| AWM Embarkation Roll number | 14/14/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A9 Shropshire on 11 May 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Pioneer Battalion |
| Fate | Effective abroad (still overseas) |
| Miscellaneous details (Nominal Roll) | *Stated to be Alex James Reardon on NR |