Tiahna is a distinctive girls' name in United States, ranking #4862 in 1999 with 23 recorded births. The name reached its all-time peak in 2003 with 32 births ranking #4209. Since 1996, the popularity has decreased by 11.5%. In 1999, approximately 1 in every 77,121 girls born was named Tiahna. FALLING Recent data shows the name is currently falling.