Tiahna is a distinctive girls' name in United States, ranking #5951 in 2004 with 21 recorded births. The name reached its all-time peak in 2003 with 32 births ranking #4209. Since 1996, the popularity has decreased by 19.2%. In 2004, approximately 1 in every 87,434 girls born was named Tiahna. FALLING Recent data shows the name is currently falling.