Thu is a distinctive girls' name in United States, ranking #8677 in 2004 with 13 recorded births. The name reached its all-time peak in 2003 with 18 births ranking #6561. Since 1996, the popularity has decreased by 23.5%. In 2004, approximately 1 in every 141,240 girls born was named Thu. RISING Recent data shows the name is currently rising.