| Regimental number | 4289 |
| Other Names | Thomas Ienan |
| Religion | Baptist |
| Occupation | Grocers assistant |
| Address | Balmain, New South Wales |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, T Thomas, 17 William Street, Cardigna, South Wales |
| Enlistment date | 23 September 1915 |
| Date of enlistment from Nominal Roll | 6 September 1915 |
| Rank on enlistment | Private |
| Unit name | 20th Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/37/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A67 Orsova on 11 March 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Machine Gun Battalion |
| Fate | Returned to Australia 16 March 1919 |
