Marillyn \m(a)-rill-yn, mar(il)-lyn\ as a girl's name is a variant of Marilyn (English). See for meaning of Marillyn.

The baby name Marillyn sounds like Marylyn, Marrilyn, Marlyn, Marilynn, Marilin, Marelyn and Maralyn. Other similar baby names are Karilyn, Carollyn, Carilyn, Madilyn, Marcelyn, Marcilyn, Marilla and Marvelyn.