Aisen is a distinctive boys' name in United States, ranking #10821 in 2017 with 6 recorded births. This places Aisen in the bottom 24% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2021 with 10 births ranking #7604. In 2017, approximately 1 in every 308,386 boys born was named Aisen. FALLING Recent data shows the name is currently falling.