An is a distinctive girls' name in United States, ranking #5724 in 2006 with 23 recorded births. This places An in the top 29% 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. In 2006, approximately 1 in every 82,655 girls born was named An. STABLE Recent data shows the name is currently stable.