An is a distinctive girls' name in United States, ranking #4341 in 2013 with 33 recorded births. This places An in the top 23% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 47 births ranking #3415. Since 1996, the popularity has increased by 50.0%. In 2013, approximately 1 in every 53,164 girls born was named An. STABLE Recent data shows the name is currently stable.