| Mercury | Unisex | Latin Names |
| Meris | Unisex | Latin Names |
| Merlin | Man | Latin Names |
| Meryn | Woman | Latin Names |
| Milan | Unisex | Latin Names |
| Miland | Man | Latin Names |
| Miles | Man | Latin Names |
| Mimosa | Woman | Latin Names |
| Minerva | Woman | Latin Names |
| Minga | Unisex | Latin Names |
| Mint | Unisex | Latin Names |
| Mira | Woman | Latin Names |
| Mirabella | Woman | Latin Names |
| Miranda | Woman | Latin Names |
| Mirinda | Woman | Latin Names |
| Modesta | Woman | Latin Names |
| Monica | Woman | Latin Names |
| Montana | Unisex | Latin Names |
| Morris | Man | Latin Names |
| Myles | Unisex | Latin Names |