| Messiah | Man | English Names |
| Metcalf | Unisex | English Names |
| Meyer | Unisex | English Names |
| Mia | Woman | English Names |
| Michaela | Woman | English Names |
| Mick | Man | English Names |
| Middleton | Unisex | English Names |
| Mike | Man | English Names |
| Mikey | Unisex | English Names |
| Mildred | Woman | English Names |
| Millard | Man | English Names |
| Miller | Unisex | English Names |
| Millicent | Woman | English Names |
| Millie | Woman | English Names |
| Mills | Unisex | English Names |
| Milly | Woman | English Names |
| Milne | Unisex | English Names |
| Milo | Man | English Names |
| Milt | Man | English Names |
| Milton | Man | English Names |