Updated June 9, 2019 Share: Girl name origins & meanings American : Combination of Kae (Greek) Rejoicer and Lynn (English) Waterfall Girl name variations Kaelyn Kaelyn - 27% this year Neutral Rare Find out more Kaelin Kaelin - 15% this year Neutral Rare Find out more Kailyn Kailyn - 8% this year Neutral Rare Find out more