Aj is a distinctive boys' name in United States, ranking #1946 in 2006 with 69 recorded births. The name reached its all-time peak in 2012 with 86 births ranking #1743. Since 1996, the popularity has increased by 109.1%. In 2006, approximately 1 in every 29,784 boys born was named Aj. RISING Recent data shows the name is currently rising.