| Name | Meaning | Gender | Origin |
|---|
| Maud | Powerful battler | Female | German |
| Maureen | Uncertain, maybe bitter | Female | Hebrew |
| Maxine | Little Maximus | Female | Latin |
| Maxwell | Maccus's stream | Male | English |
| May | The fifth month of the year | Female | English |
| Mayda | Maiden | Female | English |
| Megan | Pearl | Female | Greek |
| Meghan | Pearl | Female | Greek |
| Mercia | Border people | Female | English |
| Merlin | Sea fort | Male | Welsh |
| Merry | Compassion | Female | English |
| Merton | Settlement by the lake | Unisex | English |
| Meryl | Bright as the sea | Unisex | Gaelic |
| Mildred | Gentle strength | Female | English |
| Milton | Settlement by the mill | Male | English |
| Moira | Uncertain, maybe bitter | Female | Hebrew |
| Mona | Little noble one | Female | Gaelic |
| Montgomery | Gomeric's hill | Male | French |
| Monty | Gomeric's hill | Male | French |
| Morton | Settlement by or on a moor | Male | English |
| Ned | Wealth protector | Unisex | English |
| Neville | New town | Male | French |
| Newton | New settlement, new enclosure | Male | English |
| Nodin | Wind | Male | Native American |
| Noreen | Variant Of Nora Light:Honor | Female | Gaelic |
| Norma | Thor mind, Thor courage | Female | Gaelic |
| Norman | Thor mind, Thor courage | Male | Gaelic |
| Norris | Northener | Unisex | French |
| Norton | North settlement, north enclosure | Male | English |
| Nyle | Champion | Male | English |