Thu is a distinctive girls' name in United States, ranking #9108 in 2018 with 12 recorded births. The name reached its all-time peak in 2003 with 18 births ranking #6561. Since 1996, the popularity has decreased by 29.4%. In 2018, approximately 1 in every 141,702 girls born was named Thu. RISING Recent data shows the name is currently rising.