Aizen is a distinctive boys' name in United States, ranking #1999 in 2011 with 68 recorded births. This places Aizen in the top 14% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2024 with 223 births ranking #1003. In 2011, approximately 1 in every 27,926 boys born was named Aizen. STABLE Recent data shows the name is currently stable.