Tiannah is a distinctive girls' name in United States, ranking #13685 in 2019 with 7 recorded births. The name reached its all-time peak in 2007 with 29 births ranking #5087. Since 1996, the popularity has decreased by 41.7%. In 2019, approximately 1 in every 239,653 girls born was named Tiannah. FALLING Recent data shows the name is currently falling.