Career
She received her training and education to become a nurse at the Victoria Hospital for Children (in Chelsea) and at Street Thomas" Hospital (in Stangate, Lambeth), finishing her training in 1933. She joined Queen Alexandra"s Imperial Military Nursing Service (QAIMNS) and was posted to Cambridge Military Hospital, Aldershot and later to India for five years. In India, and later in Palestine and Egypt, she nursed military personnel, later returning to England.
During World World War II Cozens served in the United Kingdom and overseas.
Commandant of the Army Nursing Corps Training Centre, Aldershot (1955)
Assistant Director of Army Nursing Services Eastern Command (1958)
Matron-in-Chief/Director of Army Nursing Services (1960-1964)
Chief Nursing Officer to the Street John Ambulance Brigade (1965-1966)
Colonel Commandant Queen Alexandra"s Royal Army Nursing Corps (1966-1969).