| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 821 | Marton | Latin | Warring. | M | |
| 822 | Marty | Latin | Diminutive of Martin: Of Mars (the Roman god of war); warlike. Famous Bearer: black civil-rights leader Martin Luther King. | M | |
| 823 | Martyn | Latin | Variant of Martin: Of Mars (the Roman god of war); warlike. Famous Bearer: black civil-rights leader Martin Luther King. | M | |
| 824 | Maufitz | Latin | Dark skinned. | M | |
| 825 | Maurice | Latin | Moorish; dark-skinned; swarthy. Famous Bearer: French singer/actor Maurice Chevalier. | M | |
| 826 | Mauritins | Latin | Dark skinned. | M | |
| 827 | Maury | Latin | Dark skinned. | M | |
| 828 | Max | Latin | Diminutive of Maximilian: Greatest. | M | |
| 829 | Maxime | Latin | Greatest. | M | |
| 830 | Maximilian | Latin | Greatest. | M | |
| 831 | Maximillian | Latin | Greatest. | M | |
| 832 | Maximos | Latin | Greatest. | M | |
| 833 | Maximus | Latin | Greatest. | M | |
| 834 | Mayer | Latin | Great. | M | |
| 835 | Mayor | Latin | Great. | M | |
| 836 | Memnon | Latin | Killed by Achilles in the Trojan War. | M | |
| 837 | Mercer | Latin | Merchant. | M | |
| 838 | Mercina | Latin | Compassion; forbearance. | M | |
| 839 | Mercury | Latin | Messenger of the gods. | M | |
| 840 | Metabus | Latin | Father of Camilla. | M | |