| Name | Meaning | Gender | Origin |
|---|
| Maren | From the god Mars | Female | Latin |
| Margaret | Pearl | Female | Greek |
| Margot | Pearl | Female | Greek |
| Marin | From the god Mars | Unisex | Latin |
| Marina | From the god Mars | Female | Latin |
| Marla | Of Magdala | Female | Hebrew |
| Marley | Pleasant wood | Female | English |
| Marlo | Drained lake | Female | English |
| Marnie | Pet form of Marna | Female | English |
| Mason | Bricklayer | Male | French |
| Matilda | Powerful battler | Female | Germanic |
| Mattie | Powerful battler | Female | German |
| Maude | Powerful battler | Female | German |
| Mavis | Song thrush | Male | English |
| Max | Little Maximus | Male | Latin |
| Maxine | Little Maximus | Female | Latin |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Meg | Pearl | Female | Greek |
| Melinda | Blending of 'mel' and 'inda' | Female | English |
| Mika | Beautiful smell | Female | Japanese |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Miller | Grinder of grain | Male | English |
| Millie | Labour | Female | Germanic |
| Milly | Labour | Female | Germanic |
| Minka | Strong, Resolute | Female | German |
| Miranda | She who must be admired | Female | Latin |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Monique | Uncertain, perhaps counsellor | Female | Latin |
| Monroe | Mouth of the River Roe | Male | Gaelic |
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |