Aja is a distinctive girls' name in United States, ranking #1676 in 2009 with 133 recorded births. The name reached its all-time peak in 1996 with 246 births ranking #822. Since 1996, the popularity has decreased by 45.9%. In 2009, approximately 1 in every 13,811 girls born was named Aja. FALLING Recent data shows the name is currently falling.