| Regimental number | 4351 |
| Place of birth | Port Pirie, South Australia |
| Religion | Church of England |
| Occupation | Musician |
| Address | Warmilla, Booran Road, Glenhuntly, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Mr. S. Clark, Warmilla, Booran Road, Glenhuntly, Victoria |
| Enlistment date | 19 October 1915 |
| Rank on enlistment | Private |
| Unit name | 7th Battalion, 13th Reinforcement |
| AWM Embarkation Roll number | 23/24/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A64 Demosthenes on 29 December 1915 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 4th Machine Gun Battalion |
| Fate | Discharged 19 October 1919 |
| Family/military connections | Brothers: 986 Sergeant Harold Ernest CLARK, 27th Bn, killed in action, 3 March 1917; 11680 Corporal Bernard Roy CLARK, 3rd Motor Transport Company, returned to Australia, 23 July 1919. |
