Names
- Mansfield, Mary Hopkinson, 1827-1883.1
- Mansfield, Walter Damon, 1860-1926.1
- McClellan, George B. (George Brinton), 1826-1885.1
- McClellan, George Brinton, 1826-1885.1
- McClellan, R. Guy (Rolander Guy)1
- McDougal, John, 1818-1866.1
- McIlvaine family1
- McIlvaine, Charles Pettit, 1799-1872.1
- McLean, John, 1785-1861.1
- Menken, Adah Isaacs, 1835-1868 (Spirit)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
- Newbrough, John Ballou, 1828-1891.1
- Ogden family1
- Ogden, Frederick Nash, 1807-1838.1
- Ogden, Robert, 1746-1826.1
- Ogden, Robert, 1775-1857.1
- Owen, J. J. (James Jerome), 1827-.1