Name
- Magrath, James, of Dublin1
- Malone Malachius, supposed Carmelite friar1
- Mappus, Marcus, Professor of Medicine at Strasburg1
- Marbod of Rennes, Bishop of Rennes, c 1035-1123, http://isni.org/isni/000000... http://viaf.org/viaf/2410820571
- Marchant, Stanley Robert, Knight, composer and organist, 1883-19491
- Margaret, Saint, of Add MS 396651
- Margaret, Saint, of Add MS 437891
- Marleburgh, Henry1
- Marshal, William, Earl of Pembroke, d 12191
- Martin, Thomas, of Sloane MS 33231
- Martinus of Troppau, Archbishop of Gniezno, d 1278, http://isni.org/isni/000000...1
- Mason, Samuel, of Add MS 47911
- Mason, William Monck1
- Massa, Michael, Augustinian Friar1
- May, Frederick M, composer1
- McCarthy, Donogh1
- McCarthy, Michael1
- McCarton, William1
- McClure, Edmund, canon and editorial secretary, 1837-19221
- McDare, Thady1