Tiahna is a distinctive girls' name in United States, ranking #7314 in 2009 with 18 recorded births. The name reached its all-time peak in 2003 with 32 births ranking #4209. Since 1996, the popularity has decreased by 30.8%. In 2009, approximately 1 in every 102,048 girls born was named Tiahna. FALLING Recent data shows the name is currently falling.