Aja is a distinctive girls' name in United States, ranking #2308 in 2013 with 80 recorded births. The name reached its all-time peak in 1996 with 246 births ranking #822. Since 1996, the popularity has decreased by 67.5%. In 2013, approximately 1 in every 21,930 girls born was named Aja. FALLING Recent data shows the name is currently falling.