Meaning A girl's name of English origin, it means "Variant of Kay and Kayla, meaning: keeper of the keys; pure." Origin of Kailan English +-100%Zoom level changed to 1 Popular Middle Names Luis, Danyl Pronunciation 🔊 Listen Kailan KAY-lan Similar Names Kaelah Kaelee Kaeleigh Kaelene Kaeley Kaeli Kailin Kailynne Kalee Kalynn Year by Year Popularity of Kailan