Aj is a distinctive boys' name in England & Wales, ranking #993 in 2020 with 28 recorded births. This places Aj in the top 17% of ranked UK boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2017 with 37 births ranking #848. In 2020, approximately 1 in every 10,321 boys born was named Aj. FALLING Recent data shows the name is currently falling.