| Marmee | A term of endearment for mother. |
| MARPESSA | myth name (daughter of Evenus) |
| Marquita | A name meaning a small leader. |
| MARSYAS | myth name (a satyr) |
| Maryam | Bitter. Variant of Mary.; Name of Mother of Jesus; Variant of Mary bitter. |
| Mateo | A gift from the Creator God. |
| Maur | Derived from the Latin word for darkskinned. |
| Maximos | Greek name meaning the greatest one. |
| Maximous | A variant name meaning the greatest. |
| May | Bitter; Born during the month of May; form of Mary, meaning star of the sea / from the sea of bitterness; Daughter of Atlas; Maia; the month of May.; Diminutive of Margaret: Pearl.; Diminutive of Margaret: Child of light. Famous Bearer: Margaret Thatche |
| Maya | Abbreviation of Amalia: variant of Maia.; Daughter of Atlas.; Illusion; Illusion, Goddess Lakshmi; An illusion; a dream / form of Maia, meaning the great one / a brave warrior; An illusion, a dream / woman of the water; Mother |
| MEDEA | myth name (wife of Jason who murders her children) |
| Media | Derived from the middle or center. |
| Medora | A name meaning a mothers gift. |
| MEDUS | myth name (son of Medea by Aegeus) |
| MEDUSA | A guardian with a powerful gaze |
| Megan | Form Of Margaret; Form of Margaret, meaning resembling a pearl / the child of light; Pearl; Soft And Gentle; Strong and capable; Variant of Margaret: Pearl.; Variant of Margaret: Child of light. Famous Bearer: Margaret Thatcher, former Prime Minister of |
| Megara | A name meaning firstborn. |
| Meghan | Pearl; Strong and capable |
| MELAMPUS | myth name (seer) |
| Melanctha | A name meaning dark or black flower. |
| Melancton | Greek name meaning blackcolored. |
| Melaney | A name meaning dark or black beauty. |
| Melanie | The black one. Dark. Famous Bearer: A character in Margaret Mitchell's 'Gone with the Wind'.; Dark.; Dark Skinned; A darkskinned beauty |
| Melanion | Greek name meaning dark or black. |
| MELANIPPUS | myth name (helps defend Thebes against the attackers) |
| MELANTHA | A name meaning darkcolored flower. |
| Melanthe | A name meaning darkcolored bloom. |
| Melanthius | Sides with Penelope's suitors against his master Odysseus. |
| MELANTHO | myth name (a serving girl) |
| Melany | Derived from the Greek word for black. |
| Melba | A name meaning soft, smooth, or tender. |
| MELEAGER | myth name (an Argonaut) |
| MELECERTES | myth name (son of Ino) |
| Meleda | Sweet as honey. |
| Melena | Yellow as a canary. |
| Meleta | Sweet as honey. |
| MELETIOS | meaning unknown |
| Melinda | Blend of Melissa and Linda.; Combination of melanie and linda; Gentle.; Honey; From the name MELANIE; One who is sweet and gentle |
| Melisa | Bee. Famous bearer: Melissa, Mythological princess of Crete transformed to a bee after learning to collect honey. |