Ai is a distinctive girls' name in United States, ranking #9498 in 1999 with 9 recorded births. The name reached its all-time peak in 2006 with 17 births ranking #7150. Since 1996, the popularity has increased by 50.0%. In 1999, approximately 1 in every 197,087 girls born was named Ai. STABLE Recent data shows the name is currently stable.