Thanh is a distinctive girls' name in United States, ranking #12186 in 2010 with 9 recorded births. The name reached its all-time peak in 1999 with 17 births ranking #6173. Since 1996, the popularity has decreased by 43.8%. In 2010, approximately 1 in every 197,481 girls born was named Thanh. STABLE Recent data shows the name is currently stable.