| Date of birth | |
| School | Cleveland Street High School, Sydney, New South Wales |
| Religion | Church of England |
| Occupation | Mining engineer |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Father, John L Clark, View and Piper Streets, Annandale, Sydney, New South Wales |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | Australian Flying Corps, No 42 Squadron, Military District Officers |
| AWM Embarkation Roll number | 8/7/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Omrah on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 4th Squadron, Australian Flying Corps |
| Fate | Effective abroad (still overseas) |
| Discharge date |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
