Roselynn \r(o)-sely-nn, ros(e)-lynn\ as a girl's name is a variant of Rosalyn. See for origin and meaning of Roselynn.
The baby name Roselynn sounds like Roslynn, Roselyn, Roselinn and Rosalynn. Other similar baby names are Joslynn, Joselyne, Joselyn, Josalynn, Jocelynn, Raelynn, Rosalyne, Rozelyn, Rozalynn, Roslynne, Roslyn, Roselynde, Roselynda, Roseline, Roselind, Roselina, Roselin, Rosalynd, Rosalinn, Rozlynn and Roseann.