Thanh is a distinctive girls' name in United States, ranking #8304 in 1997 with 11 recorded births. The name reached its all-time peak in 1999 with 17 births ranking #6173. Since 1996, the popularity has decreased by 31.3%. In 1997, approximately 1 in every 158,242 girls born was named Thanh. STABLE Recent data shows the name is currently stable.