An is a distinctive girls' name in United States, ranking #3829 in 2004 with 37 recorded births. The name reached its all-time peak in 2010 with 47 births ranking #3415. Since 1996, the popularity has increased by 68.2%. In 2004, approximately 1 in every 49,625 girls born was named An. STABLE Recent data shows the name is currently stable.