Meaning From Celtic origin meaning 'first', also a variant of the English and Irish Kady. Origin of Kadie Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Ann, Rae Pronunciation 🔊 Listen Kadie K-dee Similar Names Kady Kaydee Kadey Kaydie Arlene Aerin McKenna Arte Kaycie Kaylie Year by Year Popularity of Kadie