| Name | Meaning | Gender | Origin |
|---|
| Marlin | A Form Of Merle. | Unisex | English |
| Marlo | Drained lake | Female | English |
| Marlow | Drained lake | Male | English |
| Marmaduke | Devotee of Maedoc | Male | Gaelic |
| Marna | From the god Mars | Female | Latin |
| Marnie | Pet form of Marna | Female | English |
| Marny | Pet form of Marna | Female | English |
| Marsden | Boundary valley | Male | English |
| Marv | Friend Of The Sea | Male | Hungarian |
| Marvin | Uncertain, possibly eminent marrow | Male | Welsh |
| Mauli | Crown | Unisex | Sanskrit |
| Max | Little Maximus | Male | Latin |
| Maxwell | Maccus's stream | Male | English |
| May | The fifth month of the year | Female | English |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Maylin | | Female | Hebrew |
| Meara | Happy | Male | English |
| Mehul | Rain | Male | Sanskrit |
| Melba | Short form of Melbourne | Female | English |
| Meredith | Great lord | Female | Welsh |
| Meri | Mirthful: Joyous. Also An Abbreviation Of Meredith. | Unisex | English |
| Meriel | Bright as the sea | Female | Gaelic |
| Meris | Of The Sea | Unisex | Latin |
| Merlin | Sea fort | Male | Welsh |
| Merrick | Moor | Male | Welsh |
| Merrill | Bright as the sea | Male | Gaelic |
| Merry | Compassion | Female | English |
| Merton | Settlement by the lake | Unisex | English |
| Merv | Famous | Male | English |
| Mervin | Uncertain, possibly eminent marrow | Male | Welsh |