Cathryn \c(a)-thr-yn, cath-ryn\ as a girl's name is a variant of Catherine (Greek) and Katherine (Greek), and the meaning of Cathryn is "pure".

The baby name Cathryn sounds like Kathryn, Cathrynn, Cathryne, Cathiryn and Catheryn. Other similar baby names are Camryn, Cameryn, Kathryne, Kathiryn, Katheryn, Katharyn, Catryna, Catrin, Cathrinn, Cathrine, Cathlyne, Cathirin, Cathern, Catherin, Catheren, Catharyne, Catharin, Caryn, Kathlyn, Carryn, Kathrynn and Catharyna.