If You Are Looking For A Baby Name That Exudes Charm And Originality, Then We Think You’ll Love Marwin! A Masculine Name Of Welsh Origin, This Rare Gem Is A Variation Of The Timeless Classic Marvin. Lovers Of Nautical-inspired Names Will Get A Kick Out Of Its Meaning, “sea Friend.” If This Definition Is To Be Believed, Your Little Marwin Will Grow Up To Be A Treasured Individual For Whom The World Is Their Oyster.