Girl name origins & meanings Celtic, Irish : Little darling; pure-heartedIrish : Pure, virginal Girl name variations Kaitlyn Caitlin Caitlyn Kaitlan Kaitland Kaitlin Kaitlynn Kailyn Kait Katie Kaydee Katlan Katelin Kat Katelynn Kate-Lynn Katline How Popular Is The Name Kaitlynne