| Name | Meaning | Gender | Origin |
|---|
| Maddie | Of Magdala | Female | English |
| Madison | son of a mighty warrior; son of Maud | Female | English |
| Mae | bitter | Female | English |
| Maggie | Abbreviation of Margaret. A pearl.
| Female | English |
| Mai Tai | | Unisex | Hebrew |
| Mama | Informal for mother. | Unisex | |
| Marble | | Unisex | |
| Marilyn | bitter | Female | English |
| Marley | From the lake in the meadow | Female | English |
| Marley | From the lake in the meadow | Female | English |
| Marmalade | | Unisex | |
| Marshmallow | A soft spongy sweet confectionery. Also a timid person. | Unisex | |
| Matilda | battle-mighty | Female | |
| Maya | Abbreviation of Amalia: variant of Maia.
| Female | Hebrew |
| Merry | Mirthful: joyous. Also an abbreviation of Meredith.
| Female | English |
| Mia | Mine | Female | Scandinavian |
| Midnite | | Unisex | |
| Mika | Abbreviation of Michaela:Micaela: Mikaela: Mikayla: Mychaela: Mikella. Feminine of Michael gift from God.
| Female | Japanese |
| Miley | A Soldier, Merciful | Female | Latin |
| Millie | English, gentle strength | Female | English |
| Milly | Highborn Power | Unisex | English |
| Milly | Highborn Power | Unisex | English |
| Mimi | Form of Williamina
| Female | English |
| Mimi | Form of Williamina
| Female | English |
| Mini | Something smaller than others of its type | Unisex | |