| Name | Meaning | Gender | Origin |
|---|
| Mervin | Uncertain, possibly eminent marrow | Male | Welsh |
| Messina | Middle Child | Female | Latin |
| Midori | Green | Female | Japanese |
| Mills | Mills | Unisex | English |
| Milton | Settlement by the mill | Male | English |
| Misty | Misty | Female | English |
| Mohave | | Unisex | Hebrew |
| Monroe | Mouth of the River Roe | Male | Gaelic |
| Montague | Pointed hill | Female | French |
| Montana | Mountainous | Unisex | Latin |
| Montgomery | Gomeric's hill | Male | French |
| Morley | Grassland by the moor | Male | English |
| Mortimer | Dead sea | Male | French |
| Morton | Settlement by or on a moor | Male | English |
| Morven | Lives By The Sea | Male | English |
| Moss | Drawn out of the water | Male | Hebrew |
| Mostyn | Moss enclosure | Unisex | English |
| Myrtle | Myrtle | Female | English |
| Narcissus | Sleep | Male | Greek |
| Neda | Born on sunday | Female | Slovak |
| Neva | Radiance | Female | Gaelic |
| Nevada | Snow-covered | Female | Spanish |
| Neville | New town | Male | French |
| Newell | New town | Male | French |
| Newton | New settlement, new enclosure | Male | English |
| Nikita | Unconquered, unconquerable | Female | Greek |
| Nira | Groove | Female | Hebrew |
| Nitesh | Heartbeat Of The Earth | Male | Hindu |
| Norman | Thor mind, Thor courage | Male | Gaelic |
| Norton | North settlement, north enclosure | Male | English |