Tiahna is a distinctive girls' name in United States, ranking #6113 in 2002 with 19 recorded births. The name reached its all-time peak in 2003 with 32 births ranking #4209. Since 1996, the popularity has decreased by 26.9%. In 2002, approximately 1 in every 94,569 girls born was named Tiahna. FALLING Recent data shows the name is currently falling.