US Popularity Rank: 8428

Origin: Welsh

Meaning: Sea friend; Town by the lake

Merwyn is a rather special boy’s name or Welsh and Old English origins. In Welsh, the name means “sea friend,” and is a variant of Marvin. When looked at through its Old English roots, the moniker means “town by the lake,” and derives from the name of a place, Merton. With a couple of great nickname options—like Mer, Merry, or Wyn—baby is sure to love their name, whether they are out at sea or when they come home!