Marion Gibbons, née McChesney (born 1936 in Glasgow, Scotland) is a British popular and prolific writer of romance and mystery novels since 1979. She has written numerous successful historical romance novels under (a form of) her maiden name, Marion Chesney, including the Travelling Matchmaker and Daughters of Mannerling series. Using the pseudonym M. C. Beaton, she has also written many popular mystery novels, most notably the Agatha Raisin and Hamish Macbeth mystery series. She has also written romance novels under the pseudonyms Ann Fairfax, Jennie Tremaine, Helen Crampton, Charlotte Ward, and Sarah Chester.