Marrin \m(ar)-rin\ as a girl's name is a variant of Marin. See for origin and meaning of Marrin.
The baby name Marrin sounds like Mairin, Marian, Marion, Maryan, Marien, Marinn, Marina, Maryn, Marnie, Marni, Marine, Mareina, Mareen, Maryon, Marnia, Maurine, Maren and Merryn. Other similar baby names are Karrin, Carrin, Farrin, Marris, Marlin and Marrlin.