Tiahna is a distinctive girls' name in United States, ranking #9677 in 2011 with 12 recorded births. The name reached its all-time peak in 2003 with 32 births ranking #4209. Since 1996, the popularity has decreased by 53.8%. In 2011, approximately 1 in every 146,567 girls born was named Tiahna. FALLING Recent data shows the name is currently falling.