Johnna is a distinctive girls' name in United States, ranking #2659 in 2007 with 69 recorded births. The name reached its all-time peak in 1997 with 157 births ranking #1172. Since 1996, the popularity has decreased by 53.4%. In 2007, approximately 1 in every 27,862 girls born was named Johnna. FALLING Recent data shows the name is currently falling.