Thao is a distinctive girls' name in United States, ranking #4230 in 1998 with 27 recorded births. The name reached its all-time peak in 1996 with 37 births ranking #3228. Since 1996, the popularity has decreased by 27.0%. In 1998, approximately 1 in every 65,440 girls born was named Thao. FALLING Recent data shows the name is currently falling.