Thanh is a distinctive boys' name in United States, ranking #6564 in 2013 with 13 recorded births. This places Thanh in the top 47% 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 51.9%. In 2013, approximately 1 in every 145,481 boys born was named Thanh. FALLING Recent data shows the name is currently falling.