Jahnai is a distinctive girls' name in United States, ranking #11857 in 1999 with 7 recorded births. The name reached its all-time peak in 1996 with 18 births ranking #5374. Since 1996, the popularity has decreased by 61.1%. In 1999, approximately 1 in every 253,397 girls born was named Jahnai. STABLE Recent data shows the name is currently stable.