| Termen/ Term | Nr. apariții/ No. occurrences |
| Marino Grimani | 14 |
| Marius Capito | 1 |
| Markos-Lysania | 3 |
| Maroneea | 6 |
| Massalia | 1 |
| Masycytes | 1 |
| Matei Basarab | 1 |
| Matei Corvin | 6,421 |
| Matellus-C.Poblicius Malleolus | 1 |
| Mathias II | 2 |
| Mathias Mittermayer | 1 |
| Matienus | 1 |
| Matthias II | 968 |
| Mauriciu Tiberiu | 32 |
| Mauricius | 48 |
| Mauricius - *Tiberiu | 1 |
| Mauricius Libo | 1 |
| Mauricius Tiberius | 77 |
| Maxentius | 3 |
| Maximianus | 141 |
| Maximilian | 1,097 |
| Maximilian Emmanuel | 1 |
| Maximilian Gandolf de Kuenburg | 2 |
| Maximilian Gandolphe de Kuenburg | 1 |
| Maximilian I | 28 |
| Maximilian I - Iosif | 1 |
| Maximilian II | 1,648 |
| Maximilian II - Albert | 1 |
| Maximilian II - Rudolf II | 4 |
| Maximilian III Ioseph | 23 |
| Maximilian Iosef IV | 1 |
| Maximilian Ioseph | 9 |
| Maximilian IV | 1 |
| Maximilian Joseph | 2 |
| Maximimus Thrax | 1 |
| Maximin | 2 |
| Maximin Daza | 2 |
| Maximin II Daza | 3 |
| Maximin Thrax | 1 |
| Maximin Tracul | 10 |
| Maximinus | 434 |
| Maximinus - *Maximus Tyrannus | 4 |
| Maximinus - *Maximus Tyrannus Caesar | 1 |
| Maximinus Daia | 2 |
| Maximinus Daza | 5 |
| Maximinus I | 5 |
| Maximinus II | 9 |
| Maximinus II Daza | 28 |
| Maximinus Pius | 1 |
| Maximinus Tharax | 3 |