| Name | Meaning | Gender | Origin |
|---|
| Louis | famed warrior | Male | |
| Lucinda | light | Female | English |
| Lulu | Pet form of the names Louise or Louella.
| Female | English |
| Madeleine | From the tower
| Female | |
| Madison | son of a mighty warrior; son of Maud | Female | English |
| Mambo | A Latin dance resembling the rumba. | Unisex | |
| Manuel | God is with us | Male | Spanish |
| Margaret | after Margaret Thatcher | Female | Greek |
| Margot | Variant of Margaret | Female | |
| Maria | bitter | Female | Latin |
| Marie | Bitter
| Female | |
| Martha | a lady | Female | Aramaic |
| Mathilde | Mighty In Battle | Female | French |
| Maya | Abbreviation of Amalia: variant of Maia.
| Female | Hebrew |
| Melissa | bee, honey | Female | Greek |
| Michael | who is like God | Male | Hebrew |
| Mikhail | Who Is Like God | Male | Russian |
| Miller | one who mills. Brand of American beer | Male | English |
| Minuet | | Female | Hebrew |
| Misha | Variant of Michael.
| Male | Russian |
| Missy | Informal term for young woman | Female | English |
| Mitchell | who is like God | Male | English |
| Mitzi | bitter | Female | |
| Moira | bitter; great | Female | Irish |
| Morris | dark-skinned | Male | English |