Jonni is a distinctive girls' name in United States, ranking #12269 in 2016 with 8 recorded births. This places Jonni in the bottom 35% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 20 births ranking #5319. Since 1996, the popularity has decreased by 50.0%. In 2016, approximately 1 in every 221,436 girls born was named Jonni. RISING Recent data shows the name is currently rising.