Tiahna is a distinctive girls' name in United States, ranking #9183 in 2010 with 13 recorded births. The name reached its all-time peak in 2003 with 32 births ranking #4209. Since 1996, the popularity has decreased by 50.0%. In 2010, approximately 1 in every 136,717 girls born was named Tiahna. FALLING Recent data shows the name is currently falling.