| Name | Meaning | Gender | Origin |
|---|
| Luke | Man from Lucania | Male | Greek |
| Mac | Son of | Male | Gaelic |
| Maddy | Pet form of Mad- names | Female | English |
| Maggie | Pearl | Female | Greek |
| Mandy | She who must be loved | Female | Latin |
| Marge | Pearl | Female | Greek |
| Marty | From the god Mars | Male | Latin |
| Max | Little Maximus | Male | Latin |
| Mickey | Who is like God? | Unisex | Hebrew |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Mindy | Pet form of Melinda | Female | English |
| Minnie | Will, desire + helmet, protection | Female | Germanic |
| Missy | Bee | Female | Greek |
| Mister | | Unisex | Hebrew |
| Misty | Misty | Female | English |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Munchkin | A very small elflike person. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Nelly | Abbreviation Of Eleanor Shining Light. | Female | English |
| Nessa | From The Headland | Female | English |
| Niall | Champion | Unisex | Gaelic |
| Nipper | A small boy | Unisex | English |
| Norris | Northener | Unisex | French |
| Octavia | Eighth | Female | Latin |
| Odette | Wealth | Female | Germanic |
| Ollie | Elf army | Male | French |
| Onyx | A gemstone with bands of different colours. | Unisex | English |
| Oscar | Divine spear | Male | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Penny | Weaver | Female | Greek |