Biography
Cathleen Sabine Mann (31 December 1896 – 9 September 1959) was a British portrait painter and costume designer for film. Born in Newcastle upon Tyne, she was the daughter of the Scottish portrait painter Harrington Mann.
Styled the Marchioness of Queensberry from her marriage in 1926 until her divorce in 1946, she worked as a costume designer on several British films of the 1930s. Her credits include Chu Chin Chow (1934), The Iron Duke (1934), Evensong (1934), Things to Come (1936, credited as the Marchioness of Queensberry), The Show Goes On (1936), Forbidden Music (1936) and Backstage (1937). She was a member of the Royal Institute of Oil Painters and the Royal Society of Portrait Painters, and donated costume design drawings to the Victoria & Albert Museum.
