| Name | Meaning | Gender | Origin |
|---|
| Lucinda | light | Female | English |
| Luke | Light | Male | Greek |
| Luna | moon | Female | Latin |
| Lux | latin for light | Female | Latin |
| Lydia | woman from Persia, beauty | Female | Greek |
| Madeline | woman from Magdala, one who is elevated, a high tower | Female | English |
| Magnus | One who is great.
| Male | Latin |
| Maisie | child of light | Female | Scottish |
| Malvina | Smooth Brow | Female | Celtic |
| Mamie | Mother | Female | English |
| Marianne | little Mary | Female | |
| Marigold | a flower | Female | |
| Marilla | Flower | Female | English |
| Marin | Of The Sea | Female | French |
| Marion | bitter | Male | |
| Martin | Warlike person. | Male | Latin |
| Mary | bitter | Female | Hebrew |
| Matilda | battle-mighty | Female | |
| May | bitter | Female | English |
| Meg | Pearl | Female | English |
| Mercedes | Compassionate, merciful. | Female | Spanish |
| Mercy | compassion, pity | Female | English |
| Merlin | Character on Chocolate Frog card.
| Male | Welsh |
| Merry | Mirthful: joyous. Also an abbreviation of Meredith.
| Female | English |
| Mignon | dainty, petite | Female | |