An is a distinctive girls' name in United States, ranking #4316 in 2003 with 30 recorded births. The name reached its all-time peak in 2010 with 47 births ranking #3415. Since 1996, the popularity has increased by 36.4%. In 2003, approximately 1 in every 60,902 girls born was named An. STABLE Recent data shows the name is currently stable.