| Name | Meaning | Gender | Origin |
|---|
| Lilly | Lily | Female | English |
| Lindsay | Uncertain, perhaps dark lake | Female | Gaelic |
| Lindsey | Lincoln island | Unisex | English |
| Locke | A locksmith | Female | English |
| Love | Love | Female | English |
| Lucille | Light | Female | Latin |
| Luella | Famous Elf | Female | American English |
| Luna | Moon | Female | Latin |
| Mabel | Lovable | Female | French |
| Maddox | Good | Unisex | Welsh |
| Madeleine | From Magdala | Female | Hebrew |
| Madison | Son of Maud | Unisex | English |
| Maida | Little maid | Female | English |
| Maitane | Dearly Loved | Female | English |
| Mala | Garland of flowers | Female | Sanskrit |
| Manhattan | Whiskey | Female | English |
| Margaret | Pearl | Female | Greek |
| Margaux | Pearl | Female | Greek |
| Maria | Bitter | Female | Hebrew |
| Marian | Uncertain, maybe bitter | Female | Hebrew |
| Mary | Bitter | Female | Hebrew |
| Mckenzie | Son of Coinneach | Female | Gaelic |
| Megan | Pearl | Female | Greek |
| Melinda | Blending of 'mel' and 'inda' | Female | English |
| Merritt | Boundary gate | Unisex | English |
| Missy | Bee | Female | Greek |
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |
| Muffy | | Unisex | Hebrew |
| Muriel | Bright as the sea | Female | Gaelic |
| Naomi | Beautiful, pleasant, delightful | Female | Hebrew |