| Regimental number | 306 |
| Date of birth | |
| Place of birth | Gardeners Bay, Tasmania |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Port Cygnet, Tasmania |
| Marital status | Single |
| Age at embarkation | 21 |
| Height | 5' 8" |
| Weight | 131 lbs |
| Next of kin | Mother, Mrs Emma Cowen, Port Cygnet, Tasmania |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Claremont, Tasmania |
| Rank on enlistment | Private |
| Unit name | 40th Battalion, A Company |
| AWM Embarkation Roll number | 23/57/1 |
| Embarkation details | Unit embarked from Hobart, Tasmania, on board HMAT A35 Berrima on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 40th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 2049 Pte Charles Watkin COWEN, 40th Bn, killed in action, 23 July 1917; 307 Pte Henry COWEN, 12th Bn, returned to Australia, 24 August 1918; 1701 Pte Thomas COWEN, 40th Bn, returned to Australia, 30 April 1919. |
| Other details |
War service: Western Front Commenced return to Australia, 10 March 1918; disembarked Melbourne, 10 May 1918, for onward travel to Tasmania; discharged (wounded: shell wound, right thigh), 21 November 1918. Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Cygnet Church of England Cemetery, Tasmania |
| Sources | NAA: B2455, COWEN Tasman |