| Name | Gender | Meaning | Favorites |
| Marissa | Girl | Sea Born | |
| Mark | Boy | Author of the gospel according to saint mark | |
| Marlon | Boy | Falcon | |
| Marnia | Girl | Maid of the Sea | |
| Marta | Girl | Lady, Mistress | |
| Martin | Boy | Warlike | |
| Martina | Girl | War like | |
| Marvin | Boy | Sea | |
| Mary | Girl | The Sea or Bitter | |
| Matilda | Girl | Mighty in Battle | |
| Maude | Girl | Mighty | |
| Maura | Girl | Dark | |
| Maureen | Girl | The Dark | |
| Mavis | Girl | Song-Thrush | |
| Max | Boy | Great | |
| Maxine | Girl | The Greatest | |
| Maxwell | Boy | Great | |
| Maynard | Boy | Brave, Powerful | |
| Medwin | Boy | Powerful Friend | |
| Megan | Girl | Great | |