| Name | M/F | Meaning |
|---|---|---|
| Mabon | ![]() |
Meaning : Divine Son Used in : Arthurian - Legend, Welsh |
| Mabsant | ![]() |
Meaning : Legendary Son Of Caw. Used in : Welsh |
| Madawc | ![]() |
Meaning : Beneficent. Used in : Welsh |
| Madawg | ![]() |
Meaning : Legendary Son Of Teithyon. Used in : Welsh |
| Maddoc | ![]() |
Meaning : Beneficent. Used in : Australian, Welsh |
| Maddock | ![]() |
Meaning : Generous, Benevolent, Charitable. Used in : Welsh |
| Maddockson | ![]() |
Meaning : Son Of Maddock. Used in : Welsh |
| Maddocson | ![]() |
Meaning : Son Of Maddock. Used in : Welsh |
| Maddog | ![]() |
Meaning : Beneficent. Used in : Welsh |
| Maddox | ![]() |
Meaning : Benefactor's Son. Used in : American, Jamaican, Welsh |
| Madoc | ![]() |
Meaning : Fortunate, Beneficent, Benevolent, Charitable. Used in : French, Welsh |
| Madock | ![]() |
Meaning : Benevolent, Charitable. Used in : Welsh |
| Madog | ![]() |
Meaning : Beneficent, Benevolent, Charitable. Used in : British, English, Welsh |
| Madox | ![]() |
Meaning : Benefactor's Son. Used in : Welsh |
| Mael | ![]() |
Meaning : Legendary Son Of Roycol. Used in : French, British, Celtic, English, French, Irish, Welsh |
| Maelgwyn | ![]() |
Meaning : Prince Of The Hounds. Used in : Welsh |
| Maelwys | ![]() |
Meaning : Legendary Son Of Baeddan. Used in : Welsh |
| Mallolwch | ![]() |
Meaning : Legendary King Of Ireland. Used in : Welsh |
| Manawydan | ![]() |
Meaning : Legendary Son Of LIyr. Used in : Welsh |
| Manon | ![]() |
Meaning : Welsh: Beautiful Queen; Hebrew: Bitter, Rebellious, Drop of the sea (in French, it is a diminutive of the name Marie) Used in : French, German, Netherlands, Swiss, Dutch, French, Australian, Hebrew, Danish, Welsh |
| Mawrth | ![]() |
Meaning : Welsh Form Of Mars, God Of War. Used in : Welsh |
| Medyr | ![]() |
Meaning : Legendary Son Of Medyredydd. Used in : Welsh |
| Meilyg | ![]() |
Meaning : Legendary Son Of Caw. Used in : Welsh |
| Mercher | ![]() |
Meaning : Welsh Form Of Mercury, Messenger Of The Gods. Used in : Welsh |
| Meredyth | ![]() |
Meaning : Great Ruler. Used in : Welsh |
| Merideth | ![]() |
Meaning : Great Ruler. Used in : Welsh, Australian |
| Meridith | ![]() |
Meaning : Guardian Of The Sea, Great Ruler. Used in : Welsh |
| Mervin | ![]() |
Meaning : Sea Hill. Used in : American, Anglo, Australian, British, English, French, German, Swedish, Teutonic, Welsh, Australian |
| Mervyn | ![]() |
Meaning : Sea Hill. Used in : American, Australian, British, Celtic, English, French, Jamaican, Swedish, Welsh, Australian |
| Mervynn | ![]() |
Meaning : Sea Hill. Used in : Welsh |
| Merwin | ![]() |
Meaning : Sea Hill. Used in : American, Anglo, Australian, Chinese, British, English, German, Teutonic, Welsh |
| Merwinn | ![]() |
Meaning : Sea Hill. Used in : Welsh |
| Merwyn | ![]() |
Meaning : Sea Hill. Used in : American, Anglo, Australian, British, English, Teutonic, Welsh, Australian |
| Meurig | ![]() |
Meaning : Dark-skinned, A Moor. Form Of Morris. Used in : British, English, Welsh |
| Mihangel | ![]() |
Meaning : Welsh Form Of Michael 'God Like'. Used in : Welsh |
| Mil | ![]() |
Meaning : Legendary Son Of Dugum. Used in : English, Celtic, French, Welsh, Anglo, British |
| Moesen | ![]() |
Meaning : Welsh Form Of Moses 'from The Water'. Used in : Welsh |
| Morcar | ![]() |
Meaning : Dwells Near The Sea. Used in : British, English, Welsh |
| Mordwywr | ![]() |
Meaning : Sailor. Used in : Welsh |
| Moren | ![]() |
Meaning : Legendary Son Of Iaen. Used in : Welsh |
| Morgan | ![]() |
Meaning : Great And Bright. Used in : American, Australian, Chinese, English, German, Irish, Jamaican, Swedish, British, Danish, English, French, German, Irish, Jamaican, Welsh, American, Australian, Chinese, British, Celtic |
| Morgannwg | ![]() |
Meaning : From Glamorgan. Used in : Welsh |
| Morgen | ![]() |
Meaning : Of The Sea. Surname, Great And Bright. Used in : Australian, English, British, English, Welsh, British |
| Morggan | ![]() |
Meaning : Great And Bright. Used in : British, English, Welsh |
| Morgun | ![]() |
Meaning : Great And Bright. Used in : British, English, Welsh |
| Morthwyl | ![]() |
Meaning : Hammer. Used in : Welsh |
| Morvran | ![]() |
Meaning : Legendary Son Of Tegid. Used in : Welsh |
| Murvin | ![]() |
Meaning : Sea Hill. Used in : British, English, Welsh |
| Murvyn | ![]() |
Meaning : Sea Hill. Used in : Welsh |
| Myrddin | ![]() |
Meaning : Welsh Form Of Merlin: Hawk. From The Sea Fortress. Used in : Welsh |
| Myrick | ![]() |
Meaning : Dark-skinned, A Moor. Form Of Maurice. Used in : Welsh |