Thia is a distinctive girls' name in United States, ranking #18872 in 2015 with 5 recorded births. This places Thia 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 2019 with 17 births ranking #6989. In 2015, approximately 1 in every 356,931 girls born was named Thia. FALLING Recent data shows the name is currently falling.