Marguerite Cunliffe-Owen, also known as the Countess du Planty et de Sourdis, was a French-born author active in the late nineteenth and early twentieth centuries. Born in 1859, she developed a multifaceted writing career that spanned historical fiction, nonfiction, and journalism. She became widely recognized as a syndicated newspaper columnist, reaching a broad reading public with her commentary and prose.
To publish her diverse body of work, Cunliffe-Owen adopted several distinct pseudonyms. She is particularly remembered for writing under the pen names 'La Marquise de Fontenoy' and 'Officier de l'Ordre de l'Instruction Publique de France.' Through these personas, she established a significant presence in the press and literary circles of her era before her death in 1927.
