| Regimental number | 709 |
| Place of birth | Adelaide, South Australia |
| Occupation | Farmer |
| Address | Murray Bridge, South Australia |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, J E Clark, Murray Bridge, South Australia |
| Enlistment date | 28 August 1914 |
| Rank on enlistment | Private |
| Unit name | 10th Battalion, E Company |
| AWM Embarkation Roll number | 23/27/1 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board Transport A11 Ascanius on 20 October 1914 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 4th Machine Gun Battalion |
| Fate | Returned to Australia 2 April 1919 |
| Miscellaneous details (Nominal Roll) | *Noted CLARK Charles Edward NR |