Jonni is a distinctive girls' name in United States, ranking #7379 in 2003 with 15 recorded births. This places Jonni in the top 40% 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. In 2003, approximately 1 in every 121,803 girls born was named Jonni. RISING Recent data shows the name is currently rising.