Meaning Putting Kay and Lynn together, this popular combination name can mean pure lake. Origin of Kaelyn American Popular Middle Names Marie, Grace, Nicole, Rose, Serena, Yvette, Paige, Rayne, Rebecca, Renee Pronunciation 🔊 Listen Kaelyn KAElynn Similar Names Kaylynn Emmalyn Braelyn Gracelyn GraceLynn Braylynn JaeLynn Jaylynn Emberlyn Jazlynn Year by Year Popularity of Kaelyn