| Name | Meaning | Gender | Origin |
|---|
| Manhattan | Whiskey | Unisex | |
| Mann | Hero | Unisex | English |
| Manson | | Unisex | Hebrew |
| Manuel | God is with us | Male | Spanish |
| Marco | warlike | Male | Italian |
| Mariah | the Lord is my teacher | Female | Latin |
| Marion | bitter | Male | |
| Mariposa | Spanish for butterfly | Female | Spanish |
| Marissa | of the sea | Female | English |
| Marsh | From The Marsh | Male | English |
| Marshall | Man who looks after a nobleman's estate, keeper of the horses; steward | Male | |
| Marston | residence near a marshy place | Male | English |
| Martin | Warlike person. | Male | Latin |
| Martina | Warlike | Female | Latin |
| Mary | bitter | Female | Hebrew |
| Mason | Worker in stone. | Male | English |
| Matador | | Unisex | Hebrew |
| Matthew | Gift of the Lord | Male | Hebrew |
| Maya | Abbreviation of Amalia: variant of Maia.
| Female | Hebrew |
| McKenzie | Handsome, Fiery | Unisex | English |
| Meadow | Meadow | Female | English |
| Megan | mighty, strong able, pearl | Female | English |
| Melville | hillside; town by the mill | Male | Scottish |
| Meredith | great ruler | Female | Welsh |
| Mia | Mine | Female | Scandinavian |