Hebrew Aharon, of debated meaning, possibly Egyptian — high mountain; exalted. Moses's brother and the first high priest of Israel.
Aaron ranks 80th among American boys in 2025, with 4,058 born that year. Its best year was 1989, when 15,407 babies were given the name, ranking 31st. The typical living American called Aaron is about 35 years old today. It is relatively most common in Delaware, where it accounts for 0.29% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.