| Name | Meaning | Gender | Origin |
|---|
| Lois | Battle Maiden | Female | Greek |
| Lottie | free man | Female | English |
| Louis | famed warrior | Male | |
| Louise | Renowned fighter. Feminine of Louis.
| Female | |
| Lucille | light | Female | |
| Lucy | light: illumination.
| Female | English |
| Luke | Light | Male | Greek |
| Lulu | Pet form of the names Louise or Louella.
| Female | English |
| Lydia | woman from Persia, beauty | Female | Greek |
| Lyle | island | Male | Scottish |
| Mabel | my fair maid; lovely | Female | English |
| Mac | Son of
| Male | Scottish |
| Mae | bitter | Female | English |
| Maggie | Abbreviation of Margaret. A pearl.
| Female | English |
| Maisie | child of light | Female | Scottish |
| Margaret | after Margaret Thatcher | Female | Greek |
| Mariah | the Lord is my teacher | Female | Latin |
| Marilyn | bitter | Female | English |
| Marlena | Bitter Tower | Unisex | English |
| Martin | Warlike person. | Male | Latin |
| Marvin | beautiful sea; good friend | Male | Welsh |
| Matilda | battle-mighty | Female | |
| Maude | battle-mighty | Female | English |
| Max | Large spring | Male | English |
| Max | Large spring | Male | English |