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Welsh Names that Start With M

Updated October 2026

Names31

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Total Names31

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About this list

There are 31 Welsh names that start with the letter M for boys and girls, including Maddox, Morgan, Meredith, Morgan, Marvin, Megan, Merrick, Mari, Merlin, Mervin, Macsen, Mali, Maxen, Merrick, Morwenna, Meric, Mefus, Mair, Myfanwy, and Madoc.

The names

Showing 1–20 of 31

Maddox
Welsh
"son of Madoc"
Maddox, a previously obscure Welsh family name with a powerfully masculine image, suddenly came into the spotlight when Angelina Jolie chose it for her son in 2003. By the following year it was in…
Morgan
Welsh
"sea-born, sea-song or sea-circle"
Morgan has long been a traditional Welsh male name, a variant of the Old Welsh name Morcant, from the Welsh elements mor , meaning "sea" and cant , "circle." The female Morgan is unrelated to the…
Meredith
Welsh
"great ruler"
Meredith is a soft, gentle-sounding name with subtle Welsh roots. Although originally a boys’ name , Meredith is used mainly for girls now. Meredith's highest point of popularity for girls in the…
Morgan
Welsh
"sea-born, sea-song or sea-circle"
Morgan, once split evenly between the sexes, is a strong and attractive Welsh favorite, still a common boys’ name in Wales. Morgan is now more often a girls' name in the U.S. – about 2000 girls were…
Marvin
Welsh, variant of Mervyn
"sea hill"
Marvin has been neglected for so long that it's hard to believe that it has windswept Welsh roots. It also has some strong namesakes going for it -- singer Marvin Gaye, composer Marvin Hamlisch and…
Megan
Welsh diminutive of Margaret
"pearl"
Megan originally evolved from Meg, which itself derived as a nickname for Margaret. Margaret ultimately comes from the Greek word margarites , meaning "pearl." Megan is no longer a common nickname…
Merrick
German, Welsh
"fame, power, ruler; dark-skinned"
Maverick meets Merritt in this strong sounding choice, which has its origins in Welsh, German, and Scottish. Notably borne by dancer Merrick Hanna, comedian and presenter Merrick Watts, and by…
Mari
Variation of Maria or Mary, Basque, Japanese
"drop of the sea, bitter, or beloved; gift, mother; truth, genuine, villlage"
Mari enjoyed some mid-century popularity as a nicknameish version of Mary, but now deserves a second look as a multicultural classic. Popular in Norway and Armenia as a variation of Marie, it is also…
Merlin
Welsh
"sea fortress"
This name of the famous fifth-century sorcerer and mentor of King Arthur may or may not be a bit wizardy for a real-life modern child. Its most noted modern bearer: football star turned actor Merlin…
Mervin
Welsh
"sea hill"
A blend of Mervyn and Marvin that is every bit as dated as either of the originals. That -erv sound is difficult no matter what. Mervin is still used today among Amish families.
Macsen
Welsh variation of Maximus, Latin
"greatest"
Macsen may sound like a modern invention, cousin to Jackson and Maxon, but it's a longtime Welsh variation of Maximus with evocative roots in legend. Macsen Wledig is another name for the Roman…
Mali
Welsh form of Molly or Thai
"jasmine flower"
Seems unfamiliar, till you realize everyone will just hear it as Molly. In Wales, Mali is a Top 100 name.
Maxen
Welsh, from Latin Maximus
"greatest"
Also spelled Macsen, this ancient name manages to sound modern and cool. An heroic namesake was Maxen Wledig, a fourth century Spanish-born general who led the Roman army out of Britain, and as…
Merrick
German, Welsh
"famous, powerful, ruler; dark-skinned"
A strong surname sounding choice, Merrick feels both sharp and cheerful. Derived from a Welsh form of Maurice or the Germanic Emmerich, it was chosen for 16 girls compared to 165 boys in a recent…
Morwenna
Welsh
"maiden"
Morwenna is an ancient Cornish name now being revived in Wales, deriving from a Celtic word meaning "maiden", although the Mor- syllable means that it's often associated with the sea. It's been heard…
Meric
German, Welsh
"famous, powerful ruler; home ruler; dark-skinned"
A spelling variation of Merrick, Meric has a concise and snappy look. Derived from either a Welsh form of Maurice or the Germanic Emmerich and Heimrich, it has been given to a handful of boys most…
Mefus
Welsh
"strawberries"
Similar enough to Mavis in sound that it might just work, Mefus is a sweet and summery choice taken directly from the Welsh word for "strawberries". Similar in sound to Mavis, in Wales, it might have…
Mair
Welsh form of Mary
One of the many international versions of Mary that could make an unusual alternative. The similar sound to Maya/Maia could be a plus or a minus. Mair appears in the many Welsh towns and villages…
Myfanwy
Welsh
"my fine one; my woman; my beloved"
A lyrical Welsh name with both poetry and ruggedness, Myfanwy can mean "my fine, delicate one", "my woman", or "my beloved", depending on whether you consider the second element as derived from manwy…
Madoc
Welsh
"fortunate, benefactor's son"
Also spelled Madog, which was the name of an early Welshman, Madog ap Owain Gwynedd, reputed to have been the first European to discover North America in 1155. Maddox, the name of Angelina Jolie and…

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