She taught art in Manchester at Withington School for Girls beginning in 1929. She was a part-time lecturer at LCC training college and taught classes for teachers at
Blackheath and
Camberwell Schools of Art between 1931 and 1937. In 1931, she married
Albert Houthuesen. '' Sheep's Skull and Ferns'' (1935) is in
Tate's collection. She taught art at
University of London's St Gabriel's Training College and became a lecturer in 1939, Senior Lecturer in 1945, and was made Principal Lecturer in 1956. She was known for her sensitivity and ability to bring out student's best qualities. During
World War II, the college evacuated to
Coventry and later near
Doncaster. In 1945, she returned to London, but had no home. She became warden of the Elephant and Castle student's hostel. She lived with friends near
Oxted in 1950 and purchased a house in
Camberwell in 1952. A third-year course with Catherine Houthuesen was offered to students to advance beyond the standard two-year art program. Her husband found works of art which became the 61-item St Gabriel's College Collection that spanned four centuries. In 1967, Catherine Houthuesen retired. ==Later years==