Name
- Mantica, Monsignore Francesco1
- Marcelli, Cesare1
- Mariano, F--, Provincial of Capuchins1
- Marsori, Giuseppe Giusto, Luogotenente di Gubbio1
- Massajoli da Monte Grimano, Francesco Lorenzo, Bishop of Nocera1
- Mattei, Alessandro, Cardinal; Archbishop of Ferrara1
- Mattei, Carlo, Canon1
- Maury, Jean Siffrein, Cardinal Bishop of Montefiascone and Archbishop of Paris1
- Mazarin, Jules, Cardinal, 1602-16611
- Mazio, Raffaele, Abbate1
- Menicacci, Lorenzo, Vicar General of Albano1
- Menicucci, Lucrezia Gigliani1
- Minucci, Andrea, Archbishop of Fermo1
- Mirri e Chiari, bankers, Rome1
- Natalizi, Domenico, Governor of Vetralla1
- Neri, Filippo, Confessor to a Monastery at Frascati1
- Noel, Major; sometime Governor of the Prince of Hohenzollern1
- Norton, M-1
- O'Brien, James Daniel, titular 2nd Earl of Lismore1
- O'Dea, Denis, Brigadier1