An is a distinctive girls' name in United States, ranking #4926 in 2011 with 28 recorded births. The name reached its all-time peak in 2010 with 47 births ranking #3415. Since 1996, the popularity has increased by 27.3%. In 2011, approximately 1 in every 62,814 girls born was named An. STABLE Recent data shows the name is currently stable.