Tiahna is a distinctive girls' name in United States, ranking #6232 in 2005 with 20 recorded births. The name reached its all-time peak in 2003 with 32 births ranking #4209. Since 1996, the popularity has decreased by 23.1%. In 2005, approximately 1 in every 92,385 girls born was named Tiahna. FALLING Recent data shows the name is currently falling.