Tiahna is a distinctive girls' name in United States, ranking #10745 in 2008 with 11 recorded births. The name reached its all-time peak in 2003 with 32 births ranking #4209. Since 1996, the popularity has decreased by 57.7%. In 2008, approximately 1 in every 171,883 girls born was named Tiahna. FALLING Recent data shows the name is currently falling.