Thais is a distinctive girls' name in United States, ranking #4263 in 2008 with 37 recorded births. The name reached its all-time peak in 2001 with 84 births ranking #2033. Since 1996, the popularity has increased by 146.7%. In 2008, approximately 1 in every 51,100 girls born was named Thais. FALLING Recent data shows the name is currently falling.