Names
- McPeek, Russell Roy, 1862-1945.1
- Meader, George, 1907-1
- Meader, George, 1907-1994.1
- Mechem, Floyd R. (Floyd Russell), 1858-1928.1
- Michener, Earl C. (Earl Cory), 1876-1957.1
- Michener, Earl C. (Early Cory), 1876-1957.1
- Michigan Central Railroad Company.1
- Michigan Electric Railway Company.1
- Michigan Historical Collections.1
- Michigan Railway Company (1914-1921)1
- Mineral Range Railroad Company.1
- Mitchell Bros. Company.1
- Moffit, John Ted, 1862-1947.1
- Moore, Earl Vincent, 1890-1987.1
- Moore, Park & Sharp.1
- Morrill, J. L. (James Lewis), 1891-1979.1
- Morrill, James Lewis, 1891-1
- Mount Washington Railway Company.1
- Munising Railway Company.1
- Murfin, James Orin, 1875-1940.1