| Regimental number | 3894 |
| Place of birth | Sydney, New South Wales |
| Religion | Church of England |
| Occupation | Carpenter |
| Address | Gowrie, Moore Street, Bondi, Sydney, New South Wales |
| Marital status | Married |
| Age at embarkation | 22 |
| Height | 5' 7.5" |
| Weight | 150 lbs |
| Next of kin | Wife, Mrs Mary J Clark, Gowrie, Moore Street, Bondi, Sydney, New South Wales |
| Previous military service | Served for 3 years in No 1 Company, Australian Engineers, Citizen Military Forces. |
| Enlistment date | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Private |
| Unit name | 5th Field Ambulance, "B" Section |
| AWM Embarkation Roll number | 26/48/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 5th Motor Transport Section |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | No details of fate entered on Nominal Roll. |
| Discharge date | |
| Other details |
War service: Egypt, Gallipoli, Western Front Commenced return to Australia on board HT 'Konigin Luise', 18 December 1919; disembarked Sydney, 7 February 1920; discharged (termination of period of enlistment), Sydney, 22 April 1920. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, CLARK Reginald George |