| Name | Gender | Meaning | Favorites |
| Macaria | Girl | Blessed | |
| Madelia | Girl | High tower | |
| Madeline | Girl | The Tower | |
| Maggie | Girl | A pearl | |
| Maia | Girl | Star | |
| Malinda | Girl | Blend of Melissa and Linda | |
| Malissa | Girl | Honey bee | |
| Margaret | Girl | A pearl | |
| Maria | Girl | Forms of Mary | |
| Maris | Girl | Of the Sea | |
| Marla | Girl | High tower | |
| Mateo | Boy | Devoted to god | |
| Matthias | Boy | Gift of god | |
| Maximos | Boy | Greatest | |
| Megara | Girl | Pearl | |
| Miles | Boy | Soldier | |
| Milos | Boy | Pleasant | |
| Mona | Girl | Desire, Wish | |
| Myron | Boy | My messenger | |
| Myrtle | Girl | Victory | |
