Cathlyne \c(a)-thly-ne, cath-lyne\ as a girl's name is a variant of Catherine (Greek) and Katherine (Greek), and the meaning of Cathlyne is "pure".

The baby name Cathlyne sounds like Cathline, Cathlene and Kathlyne. Other similar baby names are Cathryne, Catlynn, Catlyn, Catline, Catelynn, Catelyn, Cateline, Caitlyne, Carlyne, Carolyne, Caralyne, Kathryne, Kathline, Kathlene, Cathrynn, Cathryn, Cathrine, Cathenne, Catharyne, Cathaline, Cataline, Kathlyn, Katlyne, Kathlynn and Kathylyne.