- McCarthy, Frank, 1912-19861
- McCausland, John, 1836-19271
- Mears, Levin W., 1838-18621
- Miller, Julius G. (Julius Gordon), 1839-19081
- Moncure, William A. (William Augustus), 1863-19471
- Morton, Osmond S. (Osmond Summers), 1843-19201
- Munford, Thomas T. (Thomas Taylor), 1831-19181