Names
- Mason, Stevens Thomson, 1811-1843.1
- Mathews, William Smythe Babcock, 1837-1912.1
- Mayo, Robert, 1784-1864.1
- McClellan, George Brinton, 1826-1885.1
- McClelland, Robert, 1807-1880.1
- McCosh, James, 1811-1894.1
- McCoskry, Samuel Allen, 1804-1886.1
- McHenry, James, 1753-1816.1
- McIlvaine family1
- McIlvaine, Charles Pettit, 1799-1872.1
- McLane, Louis, 1786-1857.1
- McLane, Robert, 1815-1898.1
- Meigs, Montgomery Cunningham, 1816-1892.1
- Michigan. Legislature.1
- Monroe, James, 1758-1831.1
- Morgan, Lewis Henry, 1818-1881.1
- Morse, Samuel Finley Breese, 1791-1872.1
- Morton, William Thomas Green, 1819-1868.1
- Napier, Francis, Baron Napier and Ettrick, 1819-1898.1
- O'Conor, Charles, 1804-1884.1