Tanna is a distinctive girls' name in United States, ranking #4372 in 2007 with 35 recorded births. The name reached its all-time peak in 1997 with 67 births ranking #2113. Since 1996, the popularity has decreased by 39.7%. In 2007, approximately 1 in every 54,927 girls born was named Tanna. FALLING Recent data shows the name is currently falling.