Marlyn \m(a)-rl-yn, mar-lyn\ as a girl's name is a variant of Marilyn (English), Marlen (English), Marlene (German) and Marlin. See for origin and meaning of Marlyn.
The baby name Marlyn sounds like Marlyne, Marylyn, Marelyn, Maralyn, Marlynn, Marlon and Merlyn. Other similar baby names are Carlyn, Karlyn, Darlyn, Madlyn, Maryn and Marlys.