Johnna is a distinctive girls' name in United States, ranking #1936 in 2003 with 94 recorded births. The name reached its all-time peak in 1997 with 157 births ranking #1172. Since 1996, the popularity has decreased by 36.5%. In 2003, approximately 1 in every 19,437 girls born was named Johnna. FALLING Recent data shows the name is currently falling.