Thanh is a distinctive boys' name in United States, ranking #4030 in 2002 with 21 recorded births. This places Thanh in the top 32% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 28 births ranking #3024. Since 1996, the popularity has decreased by 22.2%. In 2002, approximately 1 in every 92,451 boys born was named Thanh. FALLING Recent data shows the name is currently falling.