Morgin \m(o)-rgin, mor-gin\ as a girl's name is a variant of Morgan (Welsh, Old English), and the meaning of Morgin is "circling sea or great brightness; bright or white sea dweller".
The baby name Morgin sounds like Morgen, Morgann, Morgane, Morgana and Morgaine. Other similar baby names are Jorgina, Marin, Margit, Margie, Margi, Marrin, Marlin, Morine, Moreen, Morwyn and Morwina.