 | MacGregor, Laird (Fictitious character) (1) |
| | Madison, Teresa (Fictitious character) (2) |
| | Madison, Thomas (Fictitious character) (2) |
| | Ma, Father (Fictitious character) (3) |
| | Magill, Alexandra (Fictitious character) (1) |
| | Magill, Andy (Fictitious character) (1) |
| | Magill, Sandy (Fictitious character) (7) |
| | Major (Fictitious character) (1) |
| | Maluk (Fictitious character) (6) |
| | Man (Fictitious character) (1) |
| | Manners, Patsy (Fictitious character) (73) |
| | Manoel (Fictitious character) (5) |
| | Mansvelt (Fictitious character) (1) |
| | Manuel (Fictitious character) (6) |
| | Mapes, Frank (Fictitious character) (1) |
| | Marconi, Guglielmo, marchese, 1874-1937 (2) |
| | Marge (Fictitious character) (2) |
| | Marie (Fictitious character) (1) |
| | Mark, Saint (3) |
| | Marlin, Peter (Fictitious character) (2) |
| | Marquette, Jacques, 1637-1675 (2) |
| | Marsh, Adam (Fictitious character) (7) |
| | Marshall, James Wilson, 1810-1885 (1) |
| | Marston, Gary (Fictitious character) (1) |
| | Marston, Hugh (Fictitious character) (1) |
| | Martha (Fictitious character) (1) |
| | Martin, Mr. (Fictitious character) (1) |
| | Martin, Patty (Fictitious character) (1) |
| | Martin, Saint, Bishop of Tours, ca. 316-397 (3) |
| | Martin V, Pope, 1368-1431 (1) |
| | Martín, de Porres, Saint, 1579-1639 (2) |
| | Marx, Karl, 1818-1883 (1) |
| | Mary, Aunt (Fictitious character) (2) |
| | Mary, Blessed Virgin, Saint (33) |
| | Mary, Blessed Virgin, Saint -- Annunciation (2) |
| | Mary, Blessed Virgin, Saint -- Apparitions and miracles (9) |
| | Mary, Blessed Virgin, Saint -- Art (13) |
| | Mary, Blessed Virgin, Saint -- Feasts -- Pictorial works (1) |
| | Mary, Blessed Virgin, Saint -- Shrines (2) |
| | Mary Claude, Sister (Fictitious character) (1) |
| | Mary (Fictitious character) (7) |
| | Mary of the Compassion, Sister (1) |
| | Matson, Mr. (Fictitious character) (1) |
| | Matthew, the Apostle, Saint (1) |
| | Matthias, Saint (1) |
| | Maulbetsch, Johnny (1) |
| | Maureen (Fictitious character) (10) |
| | Mauri (Fictitious character) (2) |
| | Maynard, Lynn (Fictitious character) (1) |
| | McBride, Cyclone Bill (Fictitious character) (4) |
| | McBride, Little Mac (Fictitious character) (4) |
| | McClory, Jane Bernadette, 1919-1928 (1) |
| | McDaniels, Bob (Fictitious character) (2) |
| | McFarland, Willie (1) |
| | McGee, Joe (Fictitious character) (1) |
| | McIntyre, J. Francis A. (James Francis Aloysius), 1886-1979 (1) |
| | McKenna, Jim (1) |
| | McKeogh, Father (Fictitious character) (1) |
| | McKinley, William, 1843-1901 (1) |
| | McLaren, Agnes, 1837-1913 (1) |
| | McMasters, Jim (Fictitious character) (1) |
| | McMilligan, Mr. (Fictitious character) (1) |
| | McMinn (Fictitious character) (3) |
| | McNeil, Shorty (Fictitious character) (1) |
| | McShane, Father (Fictitious character) (1) |
| | McTavish, Robert (Fictitious character) (2) |
| | McTavish, Scotty (Fictitious character) (1) |
| | Meeker, Red (Fictitious character) (1) |
| | Melchizedek, King of Salem (1) |
| | Merlin, Joseph (1) |
| | Methodius, Saint, Apostle of the Slavs, ca. 825-884 or 5 (1) |
| | Meyer, Mr. (Fictitious character) (1) |
| | Michael (Archangel) (1) |
| | Michelangelo Buonarroti, 1475-1564 (3) |
| | Mikan, George, 1924- (1) |
| | Mike (Fictitious character) (1) |
| | Millane, Officer (Fictitious character) (1) |
| | Miller, Marty (Fictitious character) (3) |
| | Millet, Jean Francois, 1814-1875 (1) |
| | Montezuma I, Emperor of Mexico, 1398-1469 (1) |
| | Moody, Harry (Fictitious character) (10) |
| | Moody, Jody (Fictitious character) (20) |
| | Moody, Mr. (Fictitious character) (10) |
| | Moody, Will (Fictitious character) (19) |
| | Mooney, Edward, 1882-1958 (1) |
| | Morgan, Henry (Fictitious character) (7) |
| | Morse, Samuel Finley Breese, 1791-1872 (1) |
| | Morton, Ross (Fictitious character) (1) |
| | Moses (Biblical leader) (2) |
| | Moss, Frank (1) |
| | Moss, Robert (Fictitious character) (1) |
| | Mother Goose (Fictitious character) (1) |
| | Mouse, Dr. Gunther Q. (Fictitious character) (1) |
| | Mouse, Gunther Q. (Fictitious character) (9) |
| | Moylan, Stephen, 1737-1811 (1) |
| | Mozart, Wolfgang Amadeus, 1756-1791 (1) |
| | Mudd, Samuel Alexander, 1833-1883 (1) |
| | Mulcahy, Father (Fictitious character) (4) |
| | Mullen, Ed (Fictitious character) (1) |
| | Mumbo-Jumbo (Fictitious character) (4) |
| | Munst, Ted (Fictitious character) (1) |
| | Murchison, Mr. (Fictitious character) (1) |
| | Murdock, Gil (Fictitious character) (1) |
| | Murdock, Mr. (Fictitious character) (2) |
| | Murphy (Fictitious character) (4) |
| | Murphy (Fictitious charater) (5) |
| | Murphy (Fictitious charater (1) |
| | Murphy, Jim (Fictitious character) (1) |
| | Murray, Ted (Fictitious character) (2) |
| | Mush (Fictitious character) (2) |
| | Mush-Rub the Magnificent (Fictitious character) (1) |
| | Musial, Stan, 1920- (1) |
| | Myrtle (Fictitious character) (2) |
