| Name | Meaning | Gender | Origin |
|---|
| Matilda | Powerful battler | Female | Germanic |
| Maude | Powerful battler | Female | German |
| Maura | Moor | Female | Latin |
| Maxima | The greatest | Female | Latin |
| Maxine | Little Maximus | Female | Latin |
| Mayra | Uncertain, perhaps myrrh, onguent | Female | Latin |
| Mel | Uncertain, possibly bad town | Unisex | English |
| Melania | Black | Female | Greek |
| Melinda | Blending of 'mel' and 'inda' | Female | English |
| Mercedes | Mercies | Female | Spanish |
| Meredith | Great lord | Female | Welsh |
| Messina | Middle Child | Female | Latin |
| Michele | Who is like God? | Female | Hebrew |
| Mildred | Gentle strength | Female | English |
| Mimi | Uncertain, maybe bitter | Female | Hebrew |
| Mina | Will, desire + helmet, protection | Female | Germanic |
| Minerva | Mind | Female | Latin |
| Miriam | Uncertain, maybe bitter | Female | Hebrew |
| Modesta | Modest | Female | English |
| Moira | Uncertain, maybe bitter | Female | Hebrew |
| Monica | Uncertain, perhaps counsellor | Female | Latin |
| Montana | Mountainous | Unisex | Latin |
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |
| Muriel | Bright as the sea | Female | Gaelic |
| Myra | Uncertain, perhaps myrrh, unguent | Female | Latin |
| Myrtle | Myrtle | Female | English |
| Nadine | Hope | Female | Russian |
| Nana | Grace | Unisex | Hebrew |
| Nancy | Grace | Female | Hebrew |
| Narcissa | Self-love | Female | Greek |