| Name | Meaning | Gender | Origin |
|---|
| Matilde | Powerful battler | Female | German |
| Mattie | Powerful battler | Female | German |
| Maud | Powerful battler | Female | German |
| Maude | Powerful battler | Female | German |
| Max | Little Maximus | Male | Latin |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Mayer | Clever | Male | Hebrew |
| Medwin | Powerful friend | Male | German |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Milla | Industrious | Female | English |
| Millicent | Strong work | Female | Germanic |
| Millie | Labour | Female | Germanic |
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Mina | Will, desire + helmet, protection | Female | Germanic |
| Minna | Form Of Williamina | Female | English |
| Monika | Uncertain, perhaps counsellor | Female | Latin |
| Morgen | Sea-born | Female | Welsh |
| Moritz | Moor | Unisex | Latin |
| Mozart | | Unisex | Hebrew |
| Nanda | Uncertain, perhaps peaceful venture | Female | German |
| Nina | Strong | Female | Latin |
| Nixie | Little Water Sprite | Female | American English |
| Norbert | Bright north, famous north | Male | Germanic |
| Norberta | Bright north, famous north | Female | Germanic |
| Nordica | From The North | Female | English |
| Nyx | Night | Female | Greek |
| Obelix | Pillar of strength | Male | English |
| Oberon | Noble bear | Unisex | German |
| Odell | Woad hill | Male | English |
| Olga | Holy | Female | German |