| Name | Meaning | Gender | Origin |
| Maureen | Uncertain, maybe bitter | Female | Hebrew |
| Max | Little Maximus | Male | Latin |
| May | The fifth month of the year | Female | English |
| Megan | Pearl | Female | Greek |
| Mel | Uncertain, possibly bad town | Unisex | English |
| Mia | Uncertain, maybe bitter | Female | Hebrew |
| Mickey | Who is like God? | Unisex | Hebrew |
| Minnie | Will, desire + helmet, protection | Female | Germanic |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Moira | Uncertain, maybe bitter | Female | Hebrew |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Morag | Moor | Female | Latin |
| Munchkin | A very small elflike person. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Myra | Uncertain, perhaps myrrh, unguent | Female | Latin |
| Nadia | Hope | Female | Russian |
| Nancy | Grace | Female | Hebrew |
| Natalie | Christ's birthday | Female | Italian |
| Ned | Wealth protector | Unisex | English |
| Neil | Champion | Male | Gaelic |
| Nelson | Son of Neal | Male | English |
| Niall | Champion | Unisex | Gaelic |
| Nicholas | Victory of the people | Male | Greek |
| Nick | Victory of the people | Male | Greek |
| Nigel | Champion From The Irish And Scottish Niall. | Male | Gaelic |
| Niko | Victory of the people | Male | Greek |
| Nipper | A small boy | Unisex | English |
| Nora | Light | Female | English |
| Olive | Olive | Female | English |