Irish Aodhan, from Aodh, a Celtic sun and fire god — little fire. Saint Aidan founded the monastery at Lindisfarne in 635.
Aiden ranks 62nd among American boys in 2025, with 5,073 born that year. Its best year was 2009, when 16,143 babies were given the name, ranking 12th. The typical living American called Aiden is about 14 years old today. It is relatively most common in District of Columbia, where it accounts for 0.46% 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.