Thu is a distinctive girls' name in United States, ranking #7415 in 2002 with 15 recorded births. The name reached its all-time peak in 2003 with 18 births ranking #6561. Since 1996, the popularity has decreased by 11.8%. In 2002, approximately 1 in every 119,788 girls born was named Thu. RISING Recent data shows the name is currently rising.