| Name | Origin | Meaning | Gender |
| MA'MUN | arabic | trustworthy | male |
| MA'N | arabic | benefit | male |
| Maahes | Egyptian | Lion | male |
| MAAROUF | arabian | well-known | male |
| MABON | arthurian | a knight | male |
| MABON | celtic | myth name (god of youth) | male |
| MABON | welsh | legend name (son of Modron) MABSANT | male |
| Mabon | Celtic | Mythical god of youth | male |
| Mabon | Arthurian Legend | A knight | male |
| MABONAGRAIN | arthurian | a knight | male |
| Mabonaqain | Arthurian Legend | A knight | male |
| MABUZ | arthurian | ruler of Death Castle | male |
| Mabuz | Arthurian Legend | Ruler of Death Castle | male |
| MAC | celtic | son of | male |
| Mac | Scottish | Son of | male |
| Mac | Celtic | Son of | male |
| MAC A'BHAIRD | gaelic | son of Baird | male |
| MAC A'BHIADHTAICHE | gaelic | son of Bhiadhtaiche | male |
| MAC ADHAIMH | gaelic | son of Adam | male |
| MAC AILEAN | gaelic | son of the handsome man | male |
| MAC ALASDAIR | gaelic | son of Alasdair | male |
| MAC AN ABA | gaelic | father's son | male |
| MAC AN BHAILLIDH | gaelic | son of the steward | male |
| MAC AN BHARAIN | gaelic | son of the noble warrior | male |
| MAC AN BHREATANNAICH | gaelic | son of the Briton | male |
| MAC AN T-SAOIR | gaelic | son of the carpenter | male |
| MAC AN TSAGAIRT | gaelic | son of the prelate | male |
| MAC ARTUIR | gaelic | son of Arthur | male |
| MAC ASGAILL | gaelic | son of Asgaill | male |
| MAC BHEATHAIN | gaelic | son of the man who lives by the clear stream | male |
| MAC BHRIAIN | gaelic | son of the strong | male |
| MAC DARAICH | gaelic | son of the man from the ford by the oak trees | male |
| MAC GHILLE AINDREIS | gaelic | son of the one who served the manly one | male |
| MAC GHILLE MHICHEIL | gaelic | son of the one who served Saint Michael | male |
| MAC GHILLE-BHUIDHE | gaelic | son of the one who serves the blond | male |
| MAC GHILLE-DHUIBH | gaelic | son of the one who serves the dark man
| male |
| MAC GHILLE-DHUINN | gaelic | son of the one who serves Brown | male |
| MAC GHILLE-EASPUIG | gaelic | son of the one who serves the sacred and bold | male |
| MAC GHILLE-LAIDER | gaelic | son of the one who serves the strong armed | male |
| MAC?O | italian | God's gift MARCELLO, MARCO | male |
| MacAdhamh | Scottish | Son of Adam | male |
| MACAIRE | greek | blessed | male |
| MacAlister | Scottish | Son of Alasdair | male |
| MacAlpin | Scottish | Son of Alpine | male |
| MacAlpine | Scottish | Son of Alpine | male |
| MacAndrew | Scottish | Son of Andrew | male |
| Macario | Spanish | Happy | male |
| Macartan | Irish | Son of Artan | male |
| MacArthur | Scottish | Son of Arthur | male |
| MacAulay | Scottish | Son of Olaf | male |
| MacAuliffe | Irish | Son of Olaf | male |
| MacAuslan | Scottish | Son of Absalon | male |
| MacBain | Scottish | Son of Beathan | male |
| MacBean | Scottish | Son of Beathan | male |
| MacBeth | Scottish | Son of Beth | male |
| MacBride | Irish | Son of Bridget Bride | male |
| MacCallum | Scottish | Son of Callum | male |
| MacClennan | Scottish | Son of Finnian's servant | male |
| MacColl | Scottish | Son of Coll | male |
| MacCormack | Irish | Son of Cormac | male |
| MACCUS | anglo | son of Gus | male |
| MACCUS | celtic | hammer | male |
| Maccus | Celtic | Hammer | male |
| MacDaibhidh | Scottish | David's son | male |
| MacDhuBh | Scottish | Son of the blackman | male |
| MacDomhnall | Scottish | Son of the world's ruler | male |
| MacDonald | Scottish | Son of the world's ruler | male |
| MacDonell | Scottish | Son of the world's ruler | male |
| MacDougal | Scottish | Son of Dougal | male |
| MacDoughall | Scottish | Son of Dougal | male |
| MacDubhgall | Scottish | Son of Dougal | male |
| MacDuff | Scottish | Son of the blackman | male |
| Mace | English | A mace was a medieval weapon used by knights. | male |
| MacElroy | Irish | Son of Elroy | male |
| Macen | Unknown | "Protector, Guardian." | male |
| Macerio | Spanish | Form of Mace which is a medieval weapon used by knights. | male |
| MacEwen | Scottish | Son of Ewen | male |
| MacFarlane | Scottish | Son of Farlan | male |
| MacFie | Scottish | Son of the dark of peace | male |
| MacGillivray | Scottish | Son of the servant of judgment | male |
| MacGowan | Scottish | Son of the smith | male |
| MacGregor | Scottish | Son of a shepherd | male |
| Machair | Scottish | Plain | male |
| MACHAKW | native | Hopi name meaning " horny toad." | male |
| Machakw | Native American | Horny toad (Hopi) | male |
| MACHAON | greek | myth name (son of Aesculapius) | male |
| Machar | Scottish | Plain | male |
| Machau | Hebrew | Gift from God | male |
| MACHK | native | Algonquin name meaning " bear." | male |
| Machk | Native American | Bear (Algonquin) | male |
| MACHUM | hebrew | comfort | male |
| Machum | Hebrew | Comfort | male |
| MACHUPA | Africa | Swahili name meaning "one who enjoys drinking." | male |
| MacInnes | Scottish | Son of the unique choice | male |
| MacIntosh | Scottish | Son of the thane | male |
| MacIver | Scottish | Son of an archer | male |
| Mack | Celtic | Son of | male |
| Mack | Scottish | Son of | male |
| MacKaillyn | Celtic | Combination of Mackenzie and Kayla. Pure and beautiful. | male |
| MacKay | Scottish | Son of fire | male |
| MacKendrick | Scottish | Son of Henry | male |
| MacKenzie | Scottish | Fair: favored one. Son of the fair man or Son of Kenzie | male |
| MacKinley | Scottish | Son of Kinley | male |
| MacKinnon | Scottish | Son of the fair born | male |
| MackIntosh | Scottish | Son of the thane | male |
| MACKLIN | celtic | son of Flann | male |
| Macklin | Celtic | Son of Flann | male |
| Macklyn | Celtic | Son of Flann | male |
| MacLachlan | Scottish | Son of Lachlan | male |
| MacLaine | Scottish | Son of the servant of John | male |
| Maclane | Unknown | | male |
| MacLaren | Scottish | Son of Laren | male |
| MacLean | Scottish | Son of the servant of John | male |
| MacLeod | Scottish | Son of the ugly man | male |
| MacMaureadhaigh | Irish | Son of Murray | male |
| MacMillan | Scottish | Son of the ba!d man | male |
| MacMurra | Irish | Son of Murray | male |
| MacNab | Scottish | Son of the Abbot | male |
| MacNachtan | Scottish | Son of the pure one | male |
| MACNAIR | gaelic | son of an heir | male |
| MacNaughton | Scottish | Son of the pure one | male |
| MacNeill | Scottish | Son of the champion | male |
| MacNiall | Scottish | Son of the champion | male |
| MacNicol | Scottish | Son of the conquering people | male |
| Macon | German | Maker | male |
| MacPherson | Scottish | Son of the parson | male |
| MacQuaid | Irish | Son of Quaid | male |
| MacQuarrie | Scottish | Son of the proud | male |
| MacQueen | Scottish | Son of the good man | male |
| MacRae | Scottish | Son of grace | male |
| MacRay | Scottish | Son of grace | male |
| Macsen | Welsh | Variant of Maximus. Meaning | male |
| Madden | Irish | Smalldog Milos | male |
| Maddix | American | | male |
| Maddock | Celtic | Beneficent | male |
| MADDOX | celtic | beneficient | male |
| Maddox | Celtic | Beneficent | male |
| Madelhari | German | War counselor | male |
| Madelon | French | Woman from Magdala. Variant of Madeleine. | male |
| Madisen | "French,English" | | male |
| MADISON | english | son of a mighty warrior | male |
| Madison | English | Surname derived from Matthew gift of God or from Matilda strong fighter. | male |
| Madntyre | Scottish | Son of the carpenter | male |
| MADOC | arthurian | beneficent | male |
| Madoc | Welsh | Fortunate | male |
| MADOR | arthurian | accuser of Guinevere | male |
| Mador | Arthurian Legend | Accuser of Guinevere | male |
| Mads | Hebrew | Gift from God | male |
| MADU | egyptian | of the people | male |
| Maduley | Irish | Son of Olaf | male |
| MaeAdam | Scottish | Son of Adam | male |
| Maed | English | From the meadow | male |
| Maeleachlainn | Irish | Servant | male |
| Maelisa | Irish | Serves Christ | male |
| Maelwine | English | Strong friend | male |
| Maeret | English | Little famous one | male |
| Maerewine | English | Famous friend | male |
| Maethelwine | English | Council friend | male |
| Maetthere | English | Powerful army | male |
| MAGAHET | chamoru | honest; truthful | male |
| MAGAN | anglo | competent | male |
| Magan | Anglo-Saxon | Competent | male |
| MAGAR | armenian | meaning unknown | male |
| Magee | Irish | Surname. | male |
| MAGNUS | danish | great | male |
| Magnus | Latin | One who is great. | male |
| Mago | Irish | Great | male |
| MAHDI | arabic | guided to the right path | male |
| MAHELOAS | arthurian | lord of the Isle of Glass | male |
| Maheloas | Arthurian Legend | Lord of the Isle of Glass | male |
| MAHER | arabian | skilful | male |
| Maher | Irish | Generous | male |
| MAHFOUZ | arabian | the protected one | male |
| Mahieu | French | Gift of God | male |
| MAHIR | arabic | skilled | male |
| Mahir | Arabic | Skilled | male |
| MAHKAH | native | Sioux name meaning " earth." | male |
| Mahkah | Native American | Earth (Sioux) | male |
| Mahmoud | Arabic | Variant used for Mohammad - founder of Islamic religion. praiseworthy: glorified. | male |
| MAHMUD | arabic | the praised one | male |
| Mahmud | Arabic | Praised | male |
| Mahon | Irish | Bear | male |
| Mahoney | Irish | Surname. | male |
| MAHOYU | chamoru | strong; tough | male |
| MAHPEE | native | Sioux name meaning " sky." | male |
| Mahpee | Native American | Sky (Sioux) | male |
| MAHUIZOH | nahuatl | male or female name meaning "glorious person." | male |
| Mai | Hebrew | Ron | male |
| Maichail | Hebrew | Gift from God | male |
| Maiele | Hawaiian | "eloquent, skilled in speaking" | male |
| Mailhairer | French | Ill fated | male |
| MAIMUN | arabic | lucky | male |
| Mainchin | Irish | Monk | male |
| MAIPE | chamoru | fiery; hot | male |
| MAITLAND | english | from the meadow | male |
| Maitland | English | From the meadow | male |
| MAJDY | arabic | glorious | male |
| MAJEED | arabian | noble, glorious | male |
| MAJID | arabic | glorious | male |
| MAJID al DIN | arabic | glory of the faith | male |
| MAKALANI | egyptian | clerk | male |
| Makale | American | | male |
| MAKANI | hawaiian | wind | male |
| Makeen | Arabic | Strong | male |
| MAKI | finnish | surname meaning "hill" | male |
| MAKIN | arabic | strong | male |
| Makin | Arabic | Strong | male |
| Makis | Hebrew | Gift from God | male |
| MAKKAPITEW | native | Algonquin name meaning " he has large teeth." | male |
| Makkapitew | Native American | He has large teeth (Algonquin) | male |
| Makolm | Scottish | Follower of Saint Columba | male |
| MAKOTO | japanese | good; sincere | male |
| MAKYA | native | Hopi name meaning " eagle
hunter."
MANIPI | male |
| Makya | Native American | Eagle hunter (Hopi) | male |
| Mal | Irish | Chief | male |
| Mal | Hebrew | Messenger of God | male |
| Malachi | Hebrew | Messenger of God | male |
| MALACHY | hebrew | messenger of God | male |
| Malachy | Hebrew | Messenger of God | male |
| Malachy | Irish | Servant | male |
| MALAGIGI | french | legend name | male |
| Malakai | Hebrew | Angel or messenger of God. | male |
| MALCOLM | celtic | servant of Saint Columba | male |
| MALCOLM | gaelic | Colum's servant | male |
| Malcolm | Celtic | Servant of Saint Columba | male |
| Malcolm | Scottish | St. Columb's disciple. | male |
| Malcom | Scottish | St. Columb's disciple. | male |
| MALDUC | arthurian | a wizard | male |
| Maldue | Arthurian Legend | A wizard | male |
| MALIK | arabic | master; angel; king | male |
| Malik | Arabic | Master. | male |
| MALIN | english | little warrior | male |
| Malin | English | Little warrior | male |
| Malleville | French | From Malleville | male |
| MALLORY | french | ill-fated | male |
| MALLORY | german | war counselor | male |
| Mallory | German | War counselor | male |
| Mallory | French | Ill fated | male |
| Malloy | Irish | Noble chief | male |
| Malone | Irish | Serves Saint John. Surname. | male |
| MALONEY | gaelic | devoted to God | male |
| Maloney | Irish | Serves Saint John | male |
| MALVIN | celtic | leader | male |
| MALVIN | english | council friend | male |
| MALVIN | gaelic | polished chief | male |
| Malvin | English | Council friend | male |
| Malvin | Irish | Chief | male |
| Malvin | Celtic | Leader | male |
| Malvyn | Celtic | Leader | male |
| Malvyn | English | Council friend | male |
| Malyn | English | Little warrior | male |
| MAMDOUH | arabic | one who is commended, praised and glorified | male |
| MAMES | chamoru | Unisexual name meaning "sweet; kind." | male |
| MAMO | Africa | Amharic of Ethiopia name used to address a little boy whose name is unknown. | male |
| MANASSES | hebrew | forgetful | male |
| Manasses | Hebrew | Forgetful | male |
| MANAUIA | nahuatl | unisexual name meaning "defend." | male |
| Manawanui | New Zealand | "Stout Hearted, Patient and Determined. Maori name (native language of New Zealand)" | male |
| Mandar | Hindu | The name of Lord Ganesh. | male |
| MANDEL | french | makes garments | male |
| MANDEL | german | almond | male |
| Mandel | German | Almond | male |
| Mandel | French | Makes garments | male |
| Mane | Irish | Great | male |
| Maneet | Seikh | Child with a good heart. | male |
| MANFRED | english | hero's peace | male |
| MANFRED | german | peaceful | male |
| Manfred | English | Hero's peace | male |
| Manfred | German | Peaceful | male |
| Manfrid | English | Hero's peace | male |
| Manfried | German | Peaceful | male |
| Manfrit | German | Peaceful | male |
| MANI | Africa | Congolese name meaning "from the mountain." | male |
| MANLEY | english | from the hero's meadow | male |
| Manley | English | From the hero's meadow | male |
| Manly | English | From the hero's meadow | male |
| MANN | anglo | vassal | male |
| MANN | english | hero | male |
| Mann | Anglo-Saxon | Vassal | male |
| Mann | English | Hero | male |
| Manneville | French | From the great estate | male |
| Mannie | Spanish | A form of Emmanuel God is with us | male |
| MANNING | english | son of a hero | male |
| Manning | English | Son of a hero | male |
| Mannix | Irish | Monk | male |
| Mannleah | English | From the hero's meadow | male |
| Mannuss | Irish | Great | male |
| Manny | Spanish | A form of Emmanuel God is with us | male |
| MANO | hawaiian | shark; a passionate lover | male |
| Mano | Spanish | An abbreviation of Manuel God is with us | male |
| Manolito | Spanish | A form of Emmanuel God is with us | male |
| Manolo | Spanish | A form of Emmanuel God is with us | male |
| MANSFIELD | english | from the field by the small river | male |
| Mansfield | English | From the field by the small river | male |
| MANSUR | arabic | divinely aided | male |
| Mantel | French | Makes garments | male |
| MANTON | anglo | from Mann's castle | male |
| MANTON | english | from the hero's town or farm | male |
| Manton | Anglo-Saxon | From Mann's castle | male |
| Manton | English | From the hero's town or farm | male |