Tiahna is a distinctive girls' name in United States, ranking #10372 in 2012 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 2012, approximately 1 in every 160,067 girls born was named Tiahna. FALLING Recent data shows the name is currently falling.