Thao is a distinctive girls' name in United States, ranking #4502 in 1997 with 24 recorded births. The name reached its all-time peak in 1996 with 37 births ranking #3228. Since 1996, the popularity has decreased by 35.1%. In 1997, approximately 1 in every 72,527 girls born was named Thao. FALLING Recent data shows the name is currently falling.