Tanai is a distinctive girls' name in United States, ranking #15208 in 2002 with 6 recorded births. The name reached its all-time peak in 2006 with 13 births ranking #9228. Since 1996, the popularity has decreased by 14.3%. In 2002, approximately 1 in every 299,470 girls born was named Tanai. FALLING Recent data shows the name is currently falling.