Ralph Matthew McInerny (February 24, 1929 – January 29, 2010) was an American Catholic religious scholar and fiction writer, including mysteries and science fiction. Some of his fiction has appeared under the pseudonyms of Harry Austin, Matthew FitzRalph, Ernan Mackey, Edward Mackin, and Monica Quill. As a mystery writer he is best known as the creator of Father Dowling. He was Professor of Philosophy, Director of the Jacques Maritain Center, and Michael P. Grace Professor of Medieval Studies at the University of Notre Dame until his retirement in June, 2009. He died of esophageal cancer on January 29, 2010.