- Mitchell, S. Weir (Silas Weir), 1829-1914 author1
- Mitchell, Thomas D. (Thomas Duché), 1791-18654
- Mott, Alexander B. (Alexander Brown), 1826-1889, author1
- Mott, Valentine, 1785-18651
- Mussey, R. D. (Reuben Dimond), 1780-18661
- Mütter, Thomas D. (Thomas Dent), 1811-18591