Meaning Variant of Kaylee, a guardian or protector. Origin of Kayleen Celtic , Irish Popular Middle Names Marie, Melody, Naomi, Nevaeh, Nicholle, Rhianna, Yaretzi, Alayah, Alyssa, Analiah Pronunciation KAYleen Listen Similar Names Related posts: Kadi Kadisha Karmyn Karma Kela Kelcie Kiani Kristeena Kristina Kushboo Year by Year Popularity of Kayleen Source: Social Security (SSA) Share this name: PinterestTwitterFacebookRedditEmailShare Save this name: Loading