| Name | Meaning | Gender | Origin |
|---|
| Monroe | mouth of the Roe River; wheelwright | Female | Scottish |
| Monroe | mouth of the Roe River; wheelwright | Female | Scottish |
| Moon | Moon | Female | American |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | |
| Motley | | Unisex | |
| Myrtle | a flower, symbol of victory | Female | Greek |
| Nelda | one who lives by the alder tree | Female | English |
| Nettie | Gracious | Female | English |
| Nikki | Victorious People | Unisex | English |
| Nirvana | deep silence, ultimate bliss | Female | Sanskrit |
| Nora | Abbreviation of Eleanora light and Honora honor.
| Female | Irish |
| Nyx | Greek goddess of night | 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 |
| Pearl | Precious jewel. A hard, rounded gem, usually white in colour | Female | Latin |
| Penny | Greek, weaver | Female | English |
| Phoebe | bright one | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Piper | Piper
| Female | English |
| Polly | Bitter
| Female | English |
| Polly | Bitter
| Female | English |
| Poppy | Flower with four crumpled petals in red, orange or white colours | Female | Latin |
| Poppy | Flower with four crumpled petals in red, orange or white colours | Female | Latin |
| Posey | a bunch of flowers | Female | English |
| Precious | One who is beloved, a darling. | Female | Latin |