An is a distinctive boys' name in United States, ranking #4486 in 2001 with 17 recorded births. The name reached its all-time peak in 1997 with 32 births ranking #2502. Since 1996, the popularity has decreased by 29.2%. In 2001, approximately 1 in every 114,284 boys born was named An. RISING Recent data shows the name is currently rising.