Jahna is a distinctive girls' name in United States, ranking #7322 in 2000 with 14 recorded births. The name reached its all-time peak in 1998 with 16 births ranking #6174. Since 1996, the popularity has increased by 40.0%. In 2000, approximately 1 in every 129,712 girls born was named Jahna. FALLING Recent data shows the name is currently falling.