Meaning A girl's name of English origin, it means "Medieval English form of the Irish Caitlin. Pure." Origin of Kitlyn English +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Kitlyn Similar Names Katelin Kateline Katlin Katlynn Katelyn Kaytlin Caitlyn Caitlin-Rose Catlin Laticia Year by Year Popularity of Kitlyn