This name derives from the Hebrew “Ahărōn”, meaning “high mountain, a mountain of strength, enlightened or elevated, exalted”, which is most likely of Ancient Egyptian origin from "aha rw", meaning "warrior lion".
 
Aaron the Priest was The elder brother of Moses in the Book of the Exodus and in the Quran. He represented the priestly functions of his tribe, becoming the first High Priest of the Israelites.
 
The given name was exclusively Jewish in the Middle Ages, taken up by Gentiles in the 17th century, and popular among both towards the end of the 20th century.