Meaning The name Keelan is derived from the word 'caol' which means 'slender' or 'fair'. Origin of Keelan Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Ace, Allen, Andre, Andrew, Anthony, Dillon, Edward, Everett, Jett, Lane Pronunciation 🔊 Listen Keelan KIY-lahn Similar Names Keelen Kule Keilan Fin Kaelan Kaelin Kalen Keillan Kelden Kelle Year by Year Popularity of Keelan