Tannah is a distinctive girls' name in United States, ranking #7465 in 2005 with 16 recorded births. The name reached its all-time peak in 2000 with 21 births ranking #5472. Since 1996, the popularity has increased by 100.0%. In 2005, approximately 1 in every 115,481 girls born was named Tannah. FALLING Recent data shows the name is currently falling.