| Name | Meaning | Gender | Origin |
|---|
| Marshall | Horse servant | Male | Germanic |
| Martin | From the god Mars | Male | Latin |
| Marty | From the god Mars | Male | Latin |
| Mather | Mower | Male | English |
| Maverick | Dissenter | Unisex | English |
| Mead | From The Meadow | Male | English |
| Melvin | Uncertain, possibly bad town | Male | English |
| Mick | Who is like God? | Male | Hebrew |
| Mickey | Who is like God? | Unisex | Hebrew |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Mordecai | Little man | Male | Hebrew |
| Mordechai | Little man | Male | Hebrew |
| Murphy | Sea warrior | Male | Gaelic |
| Myles | Uncertain, perhaps peaceful | Male | Germanic |
| Napoleon | Sons of the mist, a race of dwarves | Male | Germanic |
| Nelson | Son of Neal | Male | English |
| Oliver | Elf army | Male | French |
| Orman | Forest | Male | Turkish |
| Ormond | Bears mountain | Unisex | English |
| Osbourne | Divine bear | Male | English |
| Oscar | Divine spear | Male | English |
| Ouida | Fame and war | Female | Germanic |
| Owen | Well born, yew born | Male | Gaelic |
| Owena | Well born, yew born | Female | Gaelic |
| Page | Page | Male | English |
| Pallaton | Warrior | Male | English |
| Percival | Pierce valley | Male | French |
| Peyton | Settlement of PÅ“ga | Unisex | English |
| Porthos | | Unisex | Hebrew |