- Luxton, J. 1
- MacDonald, C. W. 1
- MacPherson, Duncan E. 1
- Mahoney, Jack1
- Marr, Alex.1
- McCarron, Chas. R (Charles R.), 1891-1919 1
- McCarron, Chas. R. (Charles R.), 1891-1919 (composer/lyricist)1
- McConnell, Geo. B. (George Burnham), 1894-1982 1
- McConnell, J. Edwin 1
- McDonald, John D. 1
- McKenna, William J., 1881- 1
- McKenna, William J., 1881-1950 1
- McNaughton, Charles1
- Methven, Florence (composer)1
- Meyer, George W. 1884-19591
- Mills, Joy 1
- Mitchell, Sidney D., 1888-19421
- Moret, Neil, 1878-1943 (composer)1
- Morris, Wm.1
- Morse, Theodore F., 1873-19241