Jonni is a distinctive girls' name in United States, ranking #13334 in 2017 with 7 recorded births. The name reached its all-time peak in 1999 with 20 births ranking #5319. Since 1996, the popularity has decreased by 56.3%. In 2017, approximately 1 in every 246,554 girls born was named Jonni. RISING Recent data shows the name is currently rising.