Meaning Of Celtic origin, meaning 'first', and is variant of Kady. Origin of Kaydee Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Maelynn, Nyamekye, Ann, Lorraine Pronunciation 🔊 Listen Kaydee KAY-dee Similar Names Kadie Kady Kadey Kaydie Arte Arlene Mariel Bellicent Kayla Kaycie Year by Year Popularity of Kaydee