Aithan is a distinctive boys' name in United States, ranking #3773 in 2022 with 29 recorded births. This places Aithan in the top 26% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 40 births ranking #3036. In 2022, approximately 1 in every 60,151 boys born was named Aithan. RISING Recent data shows the name is currently rising.