| Regimental number | 1845 |
| Place of birth | Port Louis |
| Religion | Church of England |
| Occupation | Motor driver |
| Address | Ormond Avenue, Edwardstown East, South Australia |
| Marital status | Married |
| Age at embarkation | 39 |
| Next of kin | Wife, Mrs Roubina Zoe Cowin, Ormond Avenue, Edwardstown, South Australia |
| Enlistment date | 13 March 1916 |
| Rank on enlistment | Private |
| Unit name | 5th Pioneer Battalion, Reinforcement 2 |
| AWM Embarkation Roll number | 14/17/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A60 Aeneas on 11 April 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 5th Pioneer Battalion |
| Fate | Returned to Australia 15 February 1918 |
| Family/military connections | Brothers: 6222 Driver Norris Clegg COWIN, 10th Field Artillery Brigade, killed in action, 1 October 1917; 2587 Pte David Harold COWIN, Australian Army Veterinary Hospital, returned to Australia, 12 December 1918. |