Thanh is a distinctive boys' name in United States, ranking #14046 in 2010 with 5 recorded births. The name reached its all-time peak in 1999 with 28 births ranking #3024. Since 1996, the popularity has decreased by 81.5%. In 2010, approximately 1 in every 383,682 boys born was named Thanh. FALLING Recent data shows the name is currently falling.