Artist and teacher, born in London, wife of the artist Clifford Ellis, with whom she closely collaborated. She studied at Regent Street Polytechnic School of Art, from about 1927–31, marrying her husband while there, and with him worked in the early 1930s on poster designs, mosaics and book-jackets, clients including London Transport, Jonathan Cape and Shell-Mex and BP. Living in Bath, in 1938 Rosemary Ellis began to teach art at the Royal School for Daughters of the British Army and became closely associated with local art life. With her husband she designed many book-jackets for Collins from 1945 and in 1946 a mural for the Britain Can Make It exhibition at Victoria & Albert Museum. At Bath Academy of Art with her husband Rosemary Ellis taught many subjects as the need arose, creating one of Britain’s key art learning centres after World War II.