| Regimental number | 7864 |
| Place of birth | Ashfield New South Wales |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Broula, via Cowra, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Mr C.D. Wren, Broula via Cowra, New South Wales |
| Enlistment date | 2 January 1918 |
| Rank on enlistment | Private |
| Unit name | 3rd Battalion, 26th Reinforcement |
| AWM Embarkation Roll number | 23/20/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on 28 February 1918 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 35th Battalion |
| Fate | Returned to Australia 20 July 1919 |
| Family/military connections | Father: 4623 Pte Colin David WREN, 4th Pioneer Bn, returned to Australia, 27 September 1917. |
| Date of death | 23 September 1956 |
| Place of burial | Liverpool Cemetery |