| Regimental number | 4996 |
| Place of birth | Karridale Western Australia |
| School | Jarrahdale State School, Western Australia |
| Other training | Nil |
| Religion | Church of England |
| Occupation | Fireman |
| Address | Jarrahdale, Western Australia |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, William Edwin Cousens, Jarrahdale, Western Australia |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 28th Battalion, 13th Reinforcement |
| AWM Embarkation Roll number | 23/45/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A48 Seang Bee on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 28th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Flers, France |
| Age at death | 19 |
| Family/military connections | Brothers: 5076 Pte Frank Ernest COUSENS, 48th Bn, died of wounds, 7 August 1916; 4995 Pte Herbert Dunbar COUSENS, 28th Bn, returned to Australia, 19 April 1919; 15584 Sapper Martin Nicholas COUSENS, Corps Signal Company, returned to Australia, 18 July 1919; 2148 Driver William Edwin COUSENS MM, 44th Bn, returned to Australia, 1 June 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |