| Name | Meaning | Gender | Origin |
|---|
| Igloo | Dome shaped Eskimo house made of blocks of snow. | Unisex | English |
| Ivory | Ivory | Female | English |
| Jack | God is gracious | Male | Hebrew |
| January | First month of the year | Female | English |
| Jasper | Treasurer | Male | Persian |
| Jocasta | Myth Name (A Queen Of Thebes) | Female | Greek |
| Kaya | Pure | Female | Greek |
| Kei | Joyful | Female | Japanese |
| Kimba | English place-name | Unisex | English |
| King | King's forest clearing | Male | English |
| Klondike | | Unisex | Hebrew |
| Lacie | Lacy | Female | English |
| Lacy | Lacy | Female | English |
| Lamb | Lamb | Unisex | English |
| Lia | Uncertain, possibly from Rosalia | Female | Italian |
| Lightning | | Unisex | Hebrew |
| Lily | Lily | Female | English |
| Lotus | Flowery | Female | Greek |
| Love | Love | Female | English |
| Luna | Moon | Female | Latin |
| Mac | Son of | Male | Gaelic |
| Maddy | Pet form of Mad- names | Female | English |
| Magic | Possessing qualities that produce baffling effects | Unisex | English |
| Magnolia | Magnol's flower | Female | Latin |
| Marble | | Unisex | Hebrew |
| Marshmallow | A soft spongy sweet confectionery. Also a timid person. | Unisex | English |
| Meringue | | Unisex | Hebrew |
| Milky | | Unisex | Hebrew |
| Misty | Misty | Female | English |
| Monroe | Mouth of the River Roe | Male | Gaelic |