Thania is a distinctive girls' name in United States, ranking #9484 in 2020 with 11 recorded births. The name reached its all-time peak in 2001 with 77 births ranking #2149. Since 1996, the popularity has decreased by 78.0%. In 2020, approximately 1 in every 146,865 girls born was named Thania. FALLING Recent data shows the name is currently falling.