| Name | Meaning | Gender | Origin |
|---|
| Madonna | my lady | Female | Latin |
| Mallory | army counseler, without good fortune | Female | |
| Margaret | after Margaret Thatcher | Female | Greek |
| Maria | bitter | Female | Latin |
| Marianna | Bitter, Gracious | Female | English |
| Marianne | little Mary | Female | |
| Marietta | Bitter | Female | Italian |
| Martina | Warlike | Female | Latin |
| Mary | bitter | Female | Hebrew |
| Mathilda | battle maiden, strength | Female | English |
| Mercedes | Compassionate, merciful. | Female | Spanish |
| Miranda | Admirable
| Female | Latin |
| Moon | Moon | Female | American |
| Morgan | circle; sea | Female | Welsh |
| Natalia | birthday of the Lord | Female | Russian |
| Natalie | birthday of the Lord | Female | |
| Nicolette | people of victory | Female | |
| Noelle | Born on Christmas | Female | |
| Novella | Newcomer | Unisex | Latin |
| Octavia | eighth | Female | Latin |
| Olivia | Olive
| Female | Latin |
| Olympia | of Mount Olympus, heavenly | Female | Greek |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Ophelia | Serpentine
| Female | Greek |