| Name | Meaning | Gender | Origin |
|---|
| Lulu | Pet form of the names Louise or Louella.
| Female | English |
| Lunatic | | Unisex | Hebrew |
| Macie | Weapon | Unisex | French |
| Maddison | Son Of Maud | Unisex | English |
| Maddy | Of Magdala, Tower | Unisex | English |
| Maggie | Abbreviation of Margaret. A pearl.
| Female | English |
| Magnolia | Flower
| Female | Latin |
| Marianne | little Mary | Female | |
| Marilou | | Unisex | Hebrew |
| Martha | a lady | Female | Aramaic |
| Marty | Of Mars The God Of War, Warlike | Unisex | English |
| Mary | bitter | Female | Hebrew |
| Mary Jane | | Unisex | |
| Maureen | Bitter | Female | Irish |
| Melody | song | Female | Greek |
| Misery | | Unisex | Hebrew |
| Misty | misty.
| Female | English |
| Misty | misty.
| Female | English |
| Molly | Bitter
| Female | English |
| Monster | A creature of frightening appearance | Unisex | |
| Moonshine | Moonlight or illegally distilled whiskey. | Unisex | |
| Naomi | pleasent one; above all, beauty | Female | Hebrew |
| Nascar | | Unisex | |
| Natasha | birthday of the Lord | Female | Russian |
| Nellie | the bright one | Female | English |