Ailie Is A Girl’s Name Of Scottish Origin. A Variant Of Eilidh And Aileen, This Sweet Name May Refer To Someone From Ailsa Craig, A Rocky Islet In The Scottish Firth Of Clyde. Some Believe It Is A Scottish Form Of The Greek Name Helen, Meaning “light.” Ailie Offers An Easier Alternative To Eilidh For Those Who May Not Be Familiar With Scottish Spelling And Pronunciation.