Aja is a distinctive girls' name in United States, ranking #1989 in 2017 with 99 recorded births. The name reached its all-time peak in 1996 with 246 births ranking #822. Since 1996, the popularity has decreased by 59.8%. In 2017, approximately 1 in every 17,433 girls born was named Aja. FALLING Recent data shows the name is currently falling.