Thanh is a distinctive boys' name in United States, ranking #6064 in 2006 with 14 recorded births. This places Thanh in the top 43% 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 48.1%. In 2006, approximately 1 in every 146,794 boys born was named Thanh. FALLING Recent data shows the name is currently falling.