| Name | Meaning | Gender | Origin |
|---|
| Luz | Light | Female | Spanish |
| Lyle | Island | Male | French |
| Lynn | Dwells By The Torrent | Female | English |
| Lynx | Keepers of the secrets of the forests in mythology, also the name of a constellation in the Northern Hemisphere's sky | Both | English |
| Lyra | Lyre | Female | Greek |
| Mac | Son of | Male | Gaelic |
| Maddie | Pet form of Mad- names | Unisex | English |
| Mae | The fifth month of the year | Female | English |
| Maggie | Pearl | Female | Greek |
| Mali | Flower | Female | Thai |
| Mara | Bitter | Female | Hebrew |
| Mari | Uncertain, maybe bitter | Female | Hebrew |
| Mark | From the god Mars | Male | Latin |
| Mary | Bitter | Female | Hebrew |
| Mason | Bricklayer | Male | French |
| Matt | Gift of God | Male | Hebrew |
| Maud | Powerful battler | Female | German |
| Max | Little Maximus | Male | Latin |
| May | The fifth month of the year | Female | English |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Mia | Uncertain, maybe bitter | Female | Hebrew |
| Mick | Who is like God? | Male | Hebrew |
| Mika | Beautiful smell | Female | Japanese |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Min | Quick, sensitive | Female | Chinese |
| Mina | Will, desire + helmet, protection | Female | Germanic |
| Moe | Moor | Male | Latin |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Mona | Little noble one | Female | Gaelic |