Meaning Variant of Kaitlyn; innocent and dainty. Origin of Caitlynn Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Avery, Lucille, Suzanne Pronunciation 🔊 Listen Caitlynn KATElin Similar Names Margarita Tryphena Jiao Imagin Katarina Claira Chassidy Cailyn JaKayla Gurit Year by Year Popularity of Caitlynn