Thais is a distinctive girls' name in United States, ranking #3491 in 1998 with 35 recorded births. The name reached its all-time peak in 2001 with 84 births ranking #2033. Since 1996, the popularity has increased by 133.3%. In 1998, approximately 1 in every 50,483 girls born was named Thais. FALLING Recent data shows the name is currently falling.