| Name | Meaning | Gender | Origin |
|---|
| Mary | bitter | Female | Hebrew |
| Matilda | battle-mighty | Female | |
| Maude | battle-mighty | Female | English |
| Maura | Great | Female | Scottish |
| Mavis | a small bird | Female | |
| May | bitter | Female | English |
| Mazie | | Unisex | |
| McKinley | | Female | Hebrew |
| Melanie | Dark.
| Female | Greek |
| Melinda | Blend of Melissa and Linda.
| Female | English |
| Melissa | bee, honey | Female | Greek |
| Melody | song | Female | Greek |
| Mercy | compassion, pity | Female | English |
| Meredith | great ruler | Female | Welsh |
| Millicent | after the character in D.C. Simpson's online comic Ozy and Millie | Female | |
| Minnie | Form of Williamina
| Female | English |
| Miranda | Admirable
| Female | Latin |
| Miriam | bitter | Female | Hebrew |
| Molly | Bitter
| Female | English |
| Monroe | mouth of the Roe River; wheelwright | Female | Scottish |
| Monroe | mouth of the Roe River; wheelwright | Female | Scottish |
| Myra | sweet-smelling oil | Female | Greek |
| Myrtle | a flower, symbol of victory | Female | Greek |
| Nadine | from the Chuck Berry song | Female | |
| Naomi | pleasent one; above all, beauty | Female | Hebrew |