Kathleyn \k(a)-thle-yn, kath-leyn\ as a girl's name is a variant of Catherine (Greek), Katherine (Greek) and Kathleen (Irish), and the meaning of Kathleyn is "pure".

The baby name Kathleyn sounds like Kathlyn, Katelyn, Katleen, Kathyleen, Kathlene, Kathileen, Kataleen, Cathleen, Kathlin, Katlyn, Kathlyne, Kathlynn, Kathlena, Kathleena, Kathaleyna, Kathaleen and Katilyn. Other similar baby names are Kathryn, Kathiryn, Katheryn, Katharyn and Kathaleya.