Thanh is a distinctive boys' name in United States, ranking #7035 in 2007 with 12 recorded births. The name reached its all-time peak in 1999 with 28 births ranking #3024. Since 1996, the popularity has decreased by 55.6%. In 2007, approximately 1 in every 172,936 boys born was named Thanh. FALLING Recent data shows the name is currently falling.