| Regimental number | 1666 |
| Place of birth | Emmaville New South Wales |
| Religion | Church of England |
| Occupation | Telegraph assistant |
| Address | Spring Vale, Rocky Creek, via Ashford, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Joseph Tredrea, Spring Vale, Rocky Creek, via Ashford, New South Wales |
| Enlistment date | 11 August 1915 |
| Rank on enlistment | Private |
| Unit name | 6th Light Horse Regiment, 12th Reinforcement |
| AWM Embarkation Roll number | 10/11/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A34 Persic on 18 November 1915 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | Australian General Base Depot |
| Fate | Returned to Australia 11 May 1919 |
| Family/military connections | Brother: 1667 Bombardier John Errol TREDREA, 13th Field Artillery Brigade, returned to Australia, 22 May 1919. |
