| Name | Meaning | Gender | Origin |
| Maire | Bitter | Female | English |
| Malia | Uncertain, maybe bitter | Female | Hebrew |
| Manon | Bitter | Female | Hebrew |
| Mara | Bitter | Female | Hebrew |
| Mare | Uncertain, maybe bitter | Unisex | Hebrew |
| Maren | From the god Mars | Female | Latin |
| Maria | Bitter | Female | Hebrew |
| Mariam | Uncertain, maybe bitter | Female | Aramaic |
| Marian | Uncertain, maybe bitter | Female | Hebrew |
| Mariana | Latinate form of Marian | Female | Latin |
| Marianna | Combination of Maria and Anna | Female | Latin |
| Marianne | Combination of Marie and Anne | Female | French |
| Maridel | Bitter | Female | Hebrew |
| Marie | Bitter | Female | Hebrew |
| Mariel | Uncertain, maybe bitter | Female | Hebrew |
| Mariela | Uncertain, maybe bitter | Female | Hebrew |
| Marietta | Uncertain, maybe bitter | Female | Hebrew |
| Mariette | Uncertain, maybe bitter | Female | Hebrew |
| Marilee | Combination of Mary and Lee | Female | English |
| Marilyn | Uncertain, maybe bitter | Female | Hebrew |
| Marin | From the god Mars | Unisex | Latin |
| Marion | Uncertain, maybe bitter | Female | Hebrew |
| Mariska | Uncertain, maybe bitter | Female | Hebrew |
| Marita | Bitter | Unisex | Dutch |
| Maritza | Bitter | Female | Hebrew |
| Marja | A berry | Female | Finnish |
| Marla | Of Magdala | Female | Hebrew |
| Marlo | Drained lake | Female | English |
| Maryann | Uncertain, maybe bitter | Female | Hebrew |
| Maura | Moor | Female | Latin |
| Maureen | Uncertain, maybe bitter | Female | Hebrew |
| May | The fifth month of the year | Female | English |
| Mayra | Uncertain, perhaps myrrh, onguent | Female | Latin |
| Meriel | Bright as the sea | Female | Gaelic |
| Mimi | Uncertain, maybe bitter | Female | Hebrew |
| Minnie | Will, desire + helmet, protection | Female | Germanic |
| Miriam | Uncertain, maybe bitter | Female | Hebrew |
| Mitzi | Uncertain, maybe bitter | Unisex | Hebrew |
| Moira | Uncertain, maybe bitter | Female | Hebrew |
| Mollie | Uncertain, maybe bitter | Female | Hebrew |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Morag | Moor | Female | Latin |
| Moya | Exceptional | Female | English |
| Muriel | Bright as the sea | Female | Gaelic |
| Polly | Bitter | Female | Hebrew |