| Name | Meaning | Gender | Origin |
|---|
| Mel | Uncertain, possibly bad town | Unisex | English |
| Melba | Short form of Melbourne | Female | English |
| Melinda | Blending of 'mel' and 'inda' | Female | English |
| Mercia | Border people | Female | English |
| Mercy | Compassion | Female | English |
| Merle | Contracted form of Meriel | Female | English |
| Merritt | Boundary gate | Unisex | English |
| Merry | Compassion | Female | English |
| Merton | Settlement by the lake | Unisex | English |
| Mildred | Gentle strength | Female | English |
| Mills | Mills | Unisex | English |
| Mindy | Pet form of Melinda | Female | English |
| Miracle | Wonder | Unisex | English |
| Misty | Misty | Female | English |
| Mostyn | Moss enclosure | Unisex | English |
| Myrtle | Myrtle | Female | English |
| Ned | Wealth protector | Unisex | English |
| Nedra | Secretly | Female | English |
| Nell | Abbreviation Of Eleanor Shining Light. | Female | English |
| Nellie | Abbreviation Of Eleanor Shining Light. | Female | English |
| Nelly | Abbreviation Of Eleanor Shining Light. | Female | English |
| Nessa | From The Headland | Female | English |
| Netta | Gracious | Female | English |
| Newt | New settlement, new enclosure | Unisex | English |
| Nita | Grace | Female | English |
| Nora | Light | Female | English |
| Norah | Light | Female | English |
| Obedience | The quality of being obedient | Unisex | English |
| Odie | Woad hill | Unisex | English |
| Olive | Olive | Female | English |