Names
- MacLachlan, James Angell, 1891-1967.1
- Maddy, Joseph E. (Joseph Edgar), 1891-1966.1
- Mark, E. L. (Edward Laurens), 1847-1
- Mark, Edward Laurens (1847-1946)1
- Markley, Mary Elizabeth B., 1864-1956.1
- Mattern, David Earl, 1890-1959.1
- McCallum, George P. (George Porterfield), 1871-1952.1
- McClure, Harry H.1
- McCormick, John Newton, 1863-1939.1
- McLaughlin, Lois T. (Lois Thompson)1
- McLaughlin, Lois T. (Lois Thompson).1
- McLouth, Lawrence Amos, 1863-1927.1
- McMillan, James (1838-1902)1
- McMillan, James, 1838-1902.1
- McPeek, Russell Roy, 1862-1945.1
- Meader, George, 1907-1
- Meader, George, 1907-1994.1
- Mechem, Floyd R. (Floyd Russell), 1858-1928.1
- Meyer, Adolf (1866-1950)1
- Meyer, Adolf, 1866-1950.1