Tiahna is a distinctive girls' name in United States, ranking #18216 in 2017 with 5 recorded births. The name reached its all-time peak in 2003 with 32 births ranking #4209. Since 1996, the popularity has decreased by 80.8%. In 2017, approximately 1 in every 345,176 girls born was named Tiahna. FALLING Recent data shows the name is currently falling.