Thu is a distinctive girls' name in United States, ranking #8684 in 2006 with 14 recorded births. The name reached its all-time peak in 2003 with 18 births ranking #6561. Since 1996, the popularity has decreased by 17.6%. In 2006, approximately 1 in every 135,791 girls born was named Thu. RISING Recent data shows the name is currently rising.