Aja is a distinctive girls' name in United States, ranking #956 in 1997 with 206 recorded births. The name reached its all-time peak in 1996 with 246 births ranking #822. Since 1996, the popularity has decreased by 16.3%. In 1997, approximately 1 in every 8,450 girls born was named Aja. FALLING Recent data shows the name is currently falling.