Tiahna is a distinctive girls' name in United States, ranking #6696 in 1998 with 15 recorded births. The name reached its all-time peak in 2003 with 32 births ranking #4209. Since 1996, the popularity has decreased by 42.3%. In 1998, approximately 1 in every 117,793 girls born was named Tiahna. FALLING Recent data shows the name is currently falling.