| Name | Meaning | Gender | Origin |
|---|
| Melvin | Uncertain, possibly bad town | Male | English |
| Melvyn | Uncertain, possibly bad town | Male | 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 |
| Millard | Guardian of the mill | Male | English |
| Miller | Grinder of grain | Male | English |
| Mills | Mills | Unisex | English |
| Milton | Settlement by the mill | Male | English |
| Mindy | Pet form of Melinda | Female | English |
| Miner | Miner | Male | English |
| Miracle | Wonder | Unisex | English |
| Misty | Misty | Female | English |
| Morley | Grassland by the moor | Male | English |
| Morse | Dark-Skinned: A Moor. Form Of Maurice. | Male | English |
| Morton | Settlement by or on a moor | Male | English |
| Mostyn | Moss enclosure | Unisex | English |
| Myrtle | Myrtle | Female | English |
| Nash | At the ash tree | Male | 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 |
| Nelson | Son of Neal | Male | English |
| Neo | New | Male | English |