Caitlyn \ca(i)-tl-yn, cait-lyn\ as a girl's name is a variant of Caitlin (Old French, Greek) and Kaitlin, and the meaning of Caitlyn is "pure".

The baby name Caitlyn sounds like Kaitlyn, Catlyn, Caitlynn, Caitlyne, Caitlen and Caitlan. Other similar baby names are Cailyn, Cailin, Caelyn, Kaitlynn, Kaitlan, Caylyn, Catlynn, Catlin, Catelyn, Calyn, Caitrin, Caitlinn, Caitlann, Caitland, Caitilin, Cailynn, Cailen, Caetlin, Caralyn, Carlyn, Carolyn, Carilyn, Kitlyn, Katlyn and Kailyn.