| Name | Meaning | Gender | Origin |
|---|
| Maisy | | Unisex | |
| Mamba | | Unisex | |
| Mamie | Mother | Female | English |
| Maple | Deciduous tree known for it's autumn colour. | Female | Tree |
| Marbles | Irregularly coloured rock. Balls usually made of glass used as a children's game. | Male | |
| Maria | bitter | Female | Latin |
| Marigold | a flower | Female | |
| Marina | sea maiden | Female | Latin |
| Marley | From the lake in the meadow | Female | English |
| Marley | From the lake in the meadow | Female | English |
| Marshmallow | A soft spongy sweet confectionery. Also a timid person. | Unisex | |
| Martha | a lady | Female | Aramaic |
| Mary | bitter | Female | Hebrew |
| Maui | | Unisex | |
| Mavis | a small bird | Female | |
| Max | Large spring | Male | English |
| Max | Large spring | Male | English |
| May | bitter | Female | English |
| Maya | Abbreviation of Amalia: variant of Maia.
| Female | Hebrew |
| Meadow | Meadow | Female | English |
| Melissa | bee, honey | Female | Greek |
| Melody | song | Female | Greek |
| Mercy | compassion, pity | Female | English |
| Mia | Mine | Female | Scandinavian |
| Midnight | Intense darkness, the middle of the night | Male | English |