Tanai is a distinctive girls' name in United States, ranking #10058 in 2005 with 11 recorded births. The name reached its all-time peak in 2006 with 13 births ranking #9228. Since 1996, the popularity has increased by 57.1%. In 2005, approximately 1 in every 167,973 girls born was named Tanai. FALLING Recent data shows the name is currently falling.