An is a distinctive girls' name in United States, ranking #3641 in 1999 with 33 recorded births. The name reached its all-time peak in 2010 with 47 births ranking #3415. Since 1996, the popularity has increased by 50.0%. In 1999, approximately 1 in every 53,751 girls born was named An. STABLE Recent data shows the name is currently stable.