•
Mary Downing (1815–1881), Irish poet born Mary McCarthy •
Mary Stanislaus MacCarthy (1849–1897), Irish poet and nun •
Mary MacCarthy (1882–1953), English writer and member of the Bloomsbury Group •
Mary Eunice McCarthy (1899–1969), American screenwriter, playwright, and journalist •
Mary McCarthy (author) (1912–1989), American novelist, critic, and memoirist •
Mary McCarthy (screenwriter), American, screenwriter for movies
Theodora Goes Wild (1936) and
Sister Kenny (1946) •
Mary McCarthy (fiction writer) (1951–2013), Irish novelist, teacher, book reviewer ==Other==