| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 801 | Marek | Latin | Warring. | M | |
| 802 | Maren | Latin | Of the sea. | M | |
| 803 | Mariam | Latin | Variant of Mary 'bitter.'. | M | |
| 804 | Marian | Latin | Warring. | M | |
| 805 | Maribelle | Latin | Beautiful Marie. Blend of Mari and Belle. | M | |
| 806 | Marino | Latin | Of the sea. | M | |
| 807 | Marinos | Latin | Of the sea. | M | |
| 808 | Mario | Latin | Variant of Marius: Hammer. Mars (Roman god of war). Also one of the number of masculine variants of Mary that can be attributed to the Virgin Mary. | M | |
| 809 | Marion | Latin | Warring. | M | |
| 810 | Marius | Latin | Hammer. Mars (Roman god of war). A Roman clan name. | M | |
| 811 | Mark | Latin | Hammer. | M | |
| 812 | Markos | Latin | Hammer. | M | |
| 813 | Markus | Latin | Hammer. | M | |
| 814 | Mars | Latin | God of war. | M | |
| 815 | Martel | Latin | Warring. | M | |
| 816 | Martial | Latin | Warring. | M | |
| 817 | Martin | Latin | Of Mars (the Roman god of war); warlike. Famous Bearer: black civil-rights leader Martin Luther King. | M | |
| 818 | Martinien | Latin | Warring. | M | |
| 819 | Martino | Latin | Warring. | M | |
| 820 | Martinus | Latin | Warring. | M | |