An is a distinctive girls' name in United States, ranking #3392 in 2015 with 47 recorded births. The name reached its all-time peak in 2010 with 47 births ranking #3415. Since 1996, the popularity has increased by 113.6%. In 2015, approximately 1 in every 37,971 girls born was named An. STABLE Recent data shows the name is currently stable.