Names
- MacDonald, Thomas Harris, 1881-1957.1
- Mackinac Bridge Authority (Mich.)1
- Maddy, Joseph E. (Joseph Edgar), 1891-1966.1
- Malcolm, George A. (George Arthur), 1881-1961.1
- Maloney, Francis.1
- Manning, John C. (John Charles), 1893-1967.1
- Mapes, Carl Edgar, 1874-1939.1
- Marshall, George C. (George Catlett), 1880-1959.1
- Marshall, S. L. A. (Samuel Lyman Atwood), 1900-1977.1
- Marshall, Thurgood, 1908-1993.1
- Martel, Frank Xavier, 1888-1
- Martin, John B., 1909-1
- Martin, John Butlin, 1909-1
- McAdoo, William Gibbs, 1863-1941.1
- McEvoy, Joseph P.1
- McGrath, J. Howard (James Howard), 1903-1966.1
- McGuire, Matthew F., 1921-1
- McKay, Frank D., 1883-1
- McKellar, Kenneth Douglas, 1869-1957.1
- McLeod, Clarence John, 1895-1959.1