| Name | Meaning | Gender | Origin |
|---|
| Maine | Mainland | Female | French |
| Major | Greater | Male | Latin |
| Maverick | Dissenter | Unisex | English |
| Max | Little Maximus | Male | Latin |
| Maxx | Greatest | Unisex | English |
| Mayhem | | Unisex | Hebrew |
| Montana | Mountainous | Unisex | Latin |
| Murdock | Sea | Male | Gaelic |
| Murphy | Sea warrior | Male | Gaelic |
| Murray | Man of the sea | Male | Gaelic |
| Nero | Stern | Male | Latin |
| Nipper | A small boy | Unisex | English |
| Nolan | Chariot-fighter, champion | Male | Gaelic |
| Noland | Chariot-fighter, champion | Unisex | Gaelic |
| Oli | Olive Tree | Unisex | English |
| Olier | | Male | Hebrew |
| Oliver | Elf army | Male | French |
| Osiris | Uncertain, perhaps throne of the eye | Unisex | Ancient Egyptian |
| Perky | | Unisex | Hebrew |
| Ptolemy | Warlike | Male | Greek |
| Pug | Short for pugnacious; combative, belligerent. A breed of dog originating in China. | Unisex | English |
| Ragnar | Strong army | Male | Norwegian |
| Raider | | Unisex | Hebrew |
| Rainer | Wise army | Male | Germanic |
| Rainier | Wise army | Male | Germanic |
| Rambo | | Unisex | Hebrew |
| Ranjeet | Coloured, painted | Male | Sanskrit |
| Rebel | One that resists of defies authority | Unisex | English |
| Remington | Settlement on the boundary stream | Male | English |
| Rex | King | Male | Latin |