Thi is a distinctive girls' name in United States, ranking #19299 in 2012 with 5 recorded births. This places Thi in the bottom 1% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 16 births ranking #8063. Since 1996, the popularity has decreased by 54.5%. In 2012, approximately 1 in every 352,148 girls born was named Thi. RISING Recent data shows the name is currently rising.