Tanai is a distinctive girls' name in United States, ranking #12486 in 2008 with 9 recorded births. The name reached its all-time peak in 2006 with 13 births ranking #9228. Since 1996, the popularity has increased by 28.6%. In 2008, approximately 1 in every 210,080 girls born was named Tanai. FALLING Recent data shows the name is currently falling.