Meaning Kylan is a boys name derived from Celtic, meaning 'narrow or slender'. Origin of Kylan Celtic , Irish Popular Middle Names James, Jermajesty, Josiah, Keontae, Keyshawn, Kyrie, Lee, Matthew, Maurice, Michael Pronunciation 🔊 Listen Kylan KAY-LahN Similar Names Kaylem Kyle Kule Barry Kye Kielan Kile Donald Kelvyn Ky Year by Year Popularity of Kylan