Aidan is a distinctive girls' name in United States, ranking #10953 in 2025 with 8 recorded births. The name reached its all-time peak in 2003 with 229 births ranking #1006. Since 1996, the popularity has decreased by 88.6%. In 2025, approximately 1 in every 200,908 girls born was named Aidan. FALLING Recent data shows the name is currently falling.
Aidan is the anglicised form of an old Irish name meaning "little fire". It has a warm, lively feel and strong roots in Gaelic tradition.
The name comes from Aodhan, which was borne by several early Irish saints. It became especially popular in the English-speaking world in the late twentieth and early twenty-first centuries.