Jahna is a distinctive girls' name in United States, ranking #7916 in 2001 with 13 recorded births. The name reached its all-time peak in 1998 with 16 births ranking #6174. Since 1996, the popularity has increased by 30.0%. In 2001, approximately 1 in every 138,505 girls born was named Jahna. FALLING Recent data shows the name is currently falling.