Names
- Mansfield, John Worthington, 1849-1933.1
- Mansfield, Josie.1
- Mansfield, Margaret, approximately 1818-.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
- McConkey, William, Jr.1
- McDougal, John, 1818-1866.1
- McLane, Louis, 1786-1857.1
- Menken, Adah Isaacs, 1835-1868 (Spirit)1
- Millikan, Silas F., 1834-1915.1
- Modern Spiritualists Society.1
- Monroe, James, 1758-1831.1
- Montez, Lola, 1818-1861.1
- Moore family.1
- Moore, Andrew.1
- Moore, Eliza.1
- Moore, Peggy Hughes, 1786-1843.1