Baby boy names starting with M
| Name | Meaning | Gender |
|---|---|---|
| Mabon | Mythical god of youth; A knight | |
| Mabonaqain | A knight | |
| Mabuz | Ruler of Death Castle | |
| Mac | Son of | |
| MacAdhamh | Son of Adam | |
| MacAlister | Son of Alasdair | |
| MacAlpin | Son of Alpine | |
| MacAlpine | Son of Alpine | |
| MacAndrew | Son of Andrew | |
| Macario | Happy | |
| Macartan | Son of Artan | |
| MacArthur | Son of Arthur | |
| MacAulay | Son of Olaf | |
| MacAuliffe | Son of Olaf | |
| MacAuslan | Son of Absalon | |
| MacBain | Son of Beathan | |
| MacBean | Son of Beathan | |
| MacBeth | Son of Beth | |
| MacBride | Son of Bridget Bride | |
| MacCallum | Son of Callum | |
| MacClennan | Son of Finnian's servant | |
| MacColl | Son of Coll | |
| MacCormack | Son of Cormac | |
| Maccus | Hammer | |
| MacDaibhidh | David's son | |
| MacDhuBh | Son of the blackman | |
| MacDomhnall | Son of the world's ruler | |
| MacDonald | Son of the world's ruler | |
| MacDonell | Son of the world's ruler | |
| MacDougal | Son of Dougal | |
| MacDoughall | Son of Dougal | |
| MacDuff | Son of the blackman | |
| Mace | A mace was a medieval weapon used by knights. | |
| MacElroy | Son of Elroy | |
| Macerio | Form of Mace which is a medieval weapon used by knights. | |
| MacEwen | Son of Ewen | |
| MacFarlane | Son of Farlan | |
| MacFie | Son of the dark of peace | |
| MacGillivray | Son of the servant of judgment | |
| MacGowan | Son of the smith | |
| MacGregor | Son of a shepherd | |
| Machair | Plain | |
| Machakw | Horny toad (Hopi) | |
| Machar | Plain | |
| Machau | Gift from God | |
| Machk | Bear (Algonquin) | |
| Machum | Comfort | |
| MacInnes | Son of the unique choice | |
| MacIntosh | Son of the thane | |
| MacIver | Son of an archer | |
| Mack | Son of | |
| MacKay | Son of fire | |
| MacKendrick | Son of Henry | |
| MacKenzie | Fair; favored one. Son of the fair man or Son of Kenzie | |
| MacKinley | Son of Kinley | |
| MacKinnon | Son of the fair born | |
| MackIntosh | Son of the thane | |
| Macklin | Son of Flann | |
| Macklyn | Son of Flann | |
| MacLachlan | Son of Lachlan | |
| MacLaine | Son of the servant of John | |
| MacLaren | Son of Laren | |
| MacLean | Son of the servant of John | |
| MacLeod | Son of the ugly man | |
| MacMaureadhaigh | Son of Murray | |
| MacMillan | Son of the ba!d man | |
| MacMurra | Son of Murray | |
| MacNab | Son of the Abbot | |
| MacNachtan | Son of the pure one | |
| MacNaughton | Son of the pure one | |
| MacNeill | Son of the champion | |
| MacNiall | Son of the champion | |
| MacNicol | Son of the conquering people | |
| MacPherson | Son of the parson | |
| MacQuaid | Son of Quaid | |
| MacQuarrie | Son of the proud | |
| MacQueen | Son of the good man | |
| MacRae | Son of grace | |
| MacRay | Son of grace | |
| Madden | Smalldog Milos |