| Name | Meaning | Gender | Origin |
|---|
| Marlin | Bitter, Beautiful Jade | Female | English |
| Mary | bitter | Female | Hebrew |
| Mattie | Mighty In Battle | Unisex | German |
| Mavis | a small bird | Female | |
| Mazie | | Unisex | |
| Melanie | Dark.
| Female | Greek |
| Mercedes | Compassionate, merciful. | Female | Spanish |
| Meta | Ambitious | Unisex | Latin |
| Mia | Mine | Female | Scandinavian |
| Milan | Union, Combine, Joining
| Female | Place-name |
| Mimi | Form of Williamina
| Female | English |
| Mimi | Form of Williamina
| Female | English |
| Minor | | Unisex | Hebrew |
| Modena | | Unisex | Hebrew |
| Mona | Gathered of the seed of a jimson weed
| Female | Irish |
| Money | | Unisex | |
| Monroe | mouth of the Roe River; wheelwright | Female | Scottish |
| Monroe | mouth of the Roe River; wheelwright | Female | Scottish |
| Moody | | Unisex | Hebrew |
| Myrtle | a flower, symbol of victory | Female | Greek |
| Narcissa | self-love | Female | Greek |
| Nessie | From Agnes - Pure and chaste. | Female | |
| Nonnie | Ninth | Unisex | Latin |
| Odessa | odyssey, journey, voyage | Female | Russian |
| Olivia | Olive
| Female | Latin |