- Mackenzie, John N., author1
- Meyer, Willy, 1858-1932, author2
- Mills, Charles K. (Charles Karsner), 1845-1931, author1
- Moncorvo, Arthur.1
- Monks, George H. (George Howard), 1853-19331
- Morrison, William Alexander, M.D., author1
- Morse, John Lovett, 1865-1940, author1