Marianne loved art from an early age but after school changed course to become a nurse at University College Hospital, London. There she met her husband, a medical student who became a GP. They moved to Barnstaple in North Devon, where their three children were born.

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Marianne started painting at adult education classes in 1965. Family life had to be balanced with her increasing dedication to her art. When her children were older she studied Fine Art as a mature student, gaining her degree from Exeter College of Art and Design in 1977.

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Success soon followed with prizes in two South West TV sponsored exhibitions which resulted in solo shows at Newlyn Art Gallery in Cornwall and Beaux Art Gallery in Bath, and election to the membership of Newlyn Society of Arts. In 1994 Marianne was selected to show in 'Fantasy,' an exhibition of 'Fifteen Contemporary British Women Artists' by the Cultural Foundation, Abu Dhabi, UAE. For many years her work was also included in exhibitions at the Mall Galleries, London, the Royal West of England Academy, and Newlyn Art Gallery.

She has had fifteen one woman exhibitions in the south of England, including at The Burton Art Gallery, Bideford, Broomhill Art Hotel, Barnstaple and White Moose Gallery, Barnstaple. She has  spoken about her work on television and radio and taught in local Art education. Marianne also participated in an annual Open Studio event in North Devon - Art Trek - opening her home and studio to show her work. Her paintings and drawings can be found in many private collections in Britain and abroad, including the U.S.A, Canada, Germany, Sweden, and Hong Kong.