| Name | Meaning | Gender | Origin |
| Marilyn | Uncertain, maybe bitter | Female | Hebrew |
| Marion | Uncertain, maybe bitter | Female | Hebrew |
| Marsha | From the god Mars | Female | Latin |
| Martina | From the god Mars | Female | Latin |
| Mary | Bitter | Female | Hebrew |
| Maryjane | Combination of Mary and Jane | Unisex | English |
| Mattie | Powerful battler | Female | German |
| Maureen | Uncertain, maybe bitter | Female | Hebrew |
| Maverick | Dissenter | Unisex | English |
| Maxine | Little Maximus | Female | Latin |
| May | The fifth month of the year | Female | English |
| Meadow | A meadow | Female | English |
| Megan | Pearl | Female | Greek |
| Mel | Uncertain, possibly bad town | Unisex | English |
| Melba | Short form of Melbourne | Female | English |
| Melissa | Honey-bee | Female | Greek |
| Melodie | Melody | Female | English |
| Memphis | City Of Moph | Female | Hebrew |
| Meredith | Great lord | Female | Welsh |
| Merle | Contracted form of Meriel | Female | English |
| Millie | Labour | Female | Germanic |
| Mindy | Pet form of Melinda | Female | English |
| Minerva | Mind | Female | Latin |
| Miranda | She who must be admired | Female | Latin |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Monica | Uncertain, perhaps counsellor | Female | Latin |
| Montana | Mountainous | Unisex | Latin |
| Moon | Letters | Female | Korean |
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |
| Myra | Uncertain, perhaps myrrh, unguent | Female | Latin |