| Regimental number | 4015 |
| Place of birth | Bothwell Tasmania |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Bothwell, Tasmania |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Father, W Reardon, Bothwell, Tasmania |
| Enlistment date | 2 September 1915 |
| Rank on enlistment | Private |
| Unit name | 12th Battalion, 12th Reinforcement |
| AWM Embarkation Roll number | 23/29/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT RMS Orontes on 24 November 1915 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 12th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 4014 Pte Leslie Harold REARDON, 12th Bn, killed in action, 19-22 August 1916. |