Jahnai is a distinctive girls' name in United States, ranking #16010 in 2000 with 5 recorded births. The name reached its all-time peak in 1996 with 18 births ranking #5374. Since 1996, the popularity has decreased by 72.2%. In 2000, approximately 1 in every 363,194 girls born was named Jahnai. STABLE Recent data shows the name is currently stable.