Meaning The name Keelan is derived from the word 'caol' which means 'slender' or 'fair'. Origin of Keelan Celtic , Irish Popular Middle Names Ace, Allen, Andre, Andrew, Anthony, Dillon, Edward, Everett, Jett, Lane Pronunciation 🔊 Listen Keelan KIY-lahn Similar Names Kalem Keeland Cornelius Keldan Kaylub Gwylim Keelen Findlay Calhoun Ailbe Year by Year Popularity of Keelan