An is a distinctive girls' name in United States, ranking #4571 in 2007 with 32 recorded births. The name reached its all-time peak in 2010 with 47 births ranking #3415. Since 1996, the popularity has increased by 45.5%. In 2007, approximately 1 in every 60,077 girls born was named An. STABLE Recent data shows the name is currently stable.