| Name | Meaning | Gender | Origin |
|---|
| Lionel | Lion | Male | Latin |
| Liora | My light | Female | Hebrew |
| Livvy | Peace | Female | Greek |
| Locke | A locksmith | Female | English |
| Lola | Sorrows | Female | Spanish |
| London | From London | Male | English |
| Lottie | Free man | Female | German |
| Luca | Man from Lucania | Unisex | Greek |
| Luke | Man from Lucania | Male | Greek |
| Luna | Moon | Female | Latin |
| Mabel | Lovable | Female | French |
| Mae | The fifth month of the year | Female | English |
| Magnolia | Magnol's flower | Female | Latin |
| Magnus | Great | Male | Latin |
| Maisie | Pet form of Mairead | Female | Gaelic |
| Marco | From the god Mars | Male | Latin |
| Margot | Pearl | Female | Greek |
| Matilda | Powerful battler | Female | Germanic |
| Matteo | Gift of God | Male | Hebrew |
| Maud | Powerful battler | Female | German |
| Maxwell | Maccus's stream | Male | English |
| Melvyn | Uncertain, possibly bad town | Male | English |
| Mervin | Uncertain, possibly eminent marrow | Male | Welsh |
| Mildred | Gentle strength | Female | English |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Miller | Grinder of grain | Male | English |
| Millie | Labour | Female | Germanic |
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Milton | Settlement by the mill | Male | English |
| Minka | Strong, Resolute | Female | German |