Names
- Mason, James Murray, 1798-1871.1
- Mason, John Young, 1799-1859.1
- Mason, Stevens Thomson, 1811-1843.1
- Massachusetts. Provincial Congress.1
- Mathews, William Smythe Babcock, 1837-1912.1
- Maturin, Gabriel, d. 1774.1
- Mayo, Robert, 1784-1864.1
- McClellan, George B., 1826-1885.1
- McClelland, Robert, 1807-1880.1
- McCosh, James, 1811-1894.1
- McCoskry, Samuel Allen, 1804-1886.1
- McHenry, James, 1753-1816.1
- McIntosh, Lachlan, 1725-1806.1
- McLane, Louis, 1786-1857.1
- McLane, Robert, 1815-1898.1
- McLean, John, 1785-1861.1
- Meigs, Montgomery Cunningham, 1816-1892.1
- Melville, Henry Dundas, Viscount, 1742-1811.1
- Melville, Robert, 1723-1809.1
- Michigan. Legislature.1