Thu is a distinctive girls' name in United States, ranking #15267 in 2008 with 7 recorded births. The name reached its all-time peak in 2003 with 18 births ranking #6561. Since 1996, the popularity has decreased by 58.8%. In 2008, approximately 1 in every 270,103 girls born was named Thu. RISING Recent data shows the name is currently rising.