- Name - MABON
Meaning - MYTHICAL GOD OF YOUTH
- Name - MAC
Meaning - SON OF
- Name - MACCUS
Meaning - HAMMER
- Name - MACK
Meaning - SON OF
- Name - MACKLIN
Meaning - SON OF FLANN
- Name - MACKLYN
Meaning - SON OF FLANN
- Name - MADDOCK
Meaning - BENEFICENT
- Name - MADDOX
Meaning - BENEFICENT
- Name - MAGEE
Meaning - SON OF HUGH
- Name - MAHON
Meaning - BEAR
- Name - MALCOLM
Meaning - FOLLOWER FOF ST
- Name - MALVIN
Meaning - LEADER
- Name - MALVYN
Meaning - LEADER
- Name - MANNIX
Meaning - MUNK
- Name - MARINER
Meaning - LIVES BY THE SEA
- Name - MARMADUKE
Meaning - LEADER OF THE SEAS
- Name - MARVIN
Meaning - LIVES BY THE SEA
- Name - MARVIN
Meaning - BEAUTIFUL SEA
- Name - MARVYN
Meaning - LIVES BY THE SEA
- Name - MCKILE
Meaning - SON OF KILE
- Name - MELVILLE
Meaning - LEADER
- Name - MELVIN
Meaning - LEADER
- Name - MELVIN
Meaning - CHIEF
- Name - MELVYN
Meaning - MILL WORKER
- Name - MELVYN
Meaning - LEADER
- Name - MENW
Meaning - MYTHICAL A WIZARD
- Name - MERLIN
Meaning - SEA
- Name - MERRIC
Meaning - RULER OF THE SEA
- Name - MERV
Meaning - LOVES THE SEA
- Name - MERVIN
Meaning - LOVES THE SEA
- Name - MERVYN
Meaning - FROM THE NAME MARVI
- Name - MIACH
Meaning - MEDIC
- Name - MORFRAN
Meaning - MYTHICAL UGLY DEMON
- Name - MORGAN
Meaning - LIVES BY THE SEA
- Name - MORVEN
Meaning - LIVES BY THE SEA
- Name - MORVYN
Meaning - LIVES BY THE SEA
- Name - MORYN
Meaning - LIVES BY THE SEA
- Name - MUNGO
Meaning - LOVABLE
- Name - MURDOC
Meaning - SEAMAN
- Name - MURDOCH
Meaning - SEAMAN
- Name - MURDOCK
Meaning - SEAMAN
- Name - MURRAY
Meaning - LIVES BY THE SEA
- Name - MURRAY
Meaning - SAILOR
- Name - MURRON
Meaning - BITTER
- Name - MURRY
Meaning - LIVES BY THE SEA
- Name - MURTAGH
Meaning - PROTECTS THE SEA
