| Name | Meaning | Gender | Origin |
|---|
| Maggie | Pearl | Female | Greek |
| Marcel | Little Marcus | Male | Latin |
| Marina | From the god Mars | Female | Latin |
| Max | Little Maximus | Male | Latin |
| Maxine | Little Maximus | Female | Latin |
| Milly | Labour | Female | Germanic |
| Minnie | Will, desire + helmet, protection | Female | Germanic |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Mona | Little noble one | Female | Gaelic |
| Montgomery | Gomeric's hill | Male | French |
| Munchkin | A very small elflike person. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Nipper | A small boy | Unisex | English |
| Olga | Holy | Female | German |
| Oscar | Divine spear | Male | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pearl | Pearl | Female | English |
| Penny | Weaver | Female | Greek |
| Pepper | Pepper | Female | English |
| Pip | Lover of horses | Unisex | Greek |
| Pipsqueak | | Unisex | Hebrew |
| Pixie | A fairy like creature. Playful and mischievous | Female | English |
| Poco | Little. | Unisex | English |
| Polo | Brave wanderer | Male | English |
| Princess | Royal son | Female | English |
| Puck | Elf | Unisex | English |
| Puddles | | Unisex | Hebrew |
| Pumpkin | Large round fruit with orange skin | Unisex | English |