Name
- Marcelli, Giovannii Felice1
- Marchetti, Maria Isabella Gualteria1
- Martii, Francesco1
- Martinelli, Angelo Loccatelli1
- Massei, Bartolomeo, Cardinal, Archbishop of Athens, and Nuncio to France1
- Missini, S-1
- Monaldi del Monte, Anna Rosa1
- Monaldi, Girolamo1
- Montalegre, Joseph Joachim, Duke of Montalegre and Marquis of Salas, Sicilian of State1
- Monte, Pompeo del1
- Nandini, Penelope1
- Nobili, Geronimo1
- Oddi, Giacomo, Governor of Rimini1
- Odescalchi, Antonio Maria Erbe1
- Olivieri, Giovanni Francesco, Abbate, Economo della Reverenda Fabrica1
- Origo, Nicolo Maria1
- Orsini, Filippo, Prince, Duke of Solofra1
- Orsini, Mondillo, Archbishop of Corinth, afterwards Patriarch of Constantinople1
- Palajo, Guido del1
- Pallavicino, Lazaro Opitio, Archibishop of Lepanto1