| Name | Gender | Meaning | Favorites |
| Macario | Boy | Blessed | |
| Mark | Boy | Author of the gospel according to saint mark | |
| Marty | Boy | War like | |
| Martyn | Boy | War like | |
| Maurice | Boy | Dark skinned | |
| Mauricio | Boy | Dark skinned | |
| Maximilian | Boy | The Greatest | |
| Millard | Boy | One who grinds grain | |
| Morrey | Boy | Dark skinned | |
| Morris | Boy | Moorish | |
