Names
- Mansfield, Daniel.1
- Mansfield, Ellen Greenwood Estabrook, 1836-1917.1
- Mansfield, James Valentine, 1817-18991
- Mansfield, Jera Morton, 1823-1896.1
- Mansfield, John Worthington, 1849-1933.1
- Mansfield, Josie.1
- Mansfield, Mary Gertrude, 1854-1922.1
- Mansfield, Mary Hopkinson, 1827-1883.1
- Mansfield, Walter Damon, 1860-1926.1
- McClellan, George B. (George Brinton), 1826-1885.1
- McClellan, R. Guy (Rolander Guy)1
- McDougal, John, 1818-1866.1
- Menken, Adah Isaacs, 1835-1868 (Spirit)1
- Michigan Military Academy.1
- Modern Spiritualists Society.1
- Montez, Lola, 1818-1861.1
- Morse, J. J. (James Johnson), 1849-.1
- Napoleon III, Emperor of the French, 1808-1873.1
- New Jersey (Battleship : BB-16)1
- Newbrough, John Ballou, 1828-1891.1