Meaning A boy's name of Gaelic origin, it means "Lively; Aggressive." Origin of Kellye Gaelic , Irish Popular Middle Names Faye Pronunciation 🔊 Listen Kellye Similar Names Kelleher Kelley Muiris Beagin Frannsaidh Gayner Gervin Muireach Raghallach Steaphan Year by Year Popularity of Kellye