Tannah is a distinctive girls' name in United States, ranking #5337 in 1998 with 20 recorded births. The name reached its all-time peak in 2000 with 21 births ranking #5472. Since 1996, the popularity has increased by 150.0%. In 1998, approximately 1 in every 88,344 girls born was named Tannah. FALLING Recent data shows the name is currently falling.