Penni is a distinctive girls' name in United States, ranking #15472 in 2017 with 6 recorded births. This places Penni in the bottom 16% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 8 births ranking #12606. In 2017, approximately 1 in every 287,646 girls born was named Penni. STABLE Recent data shows the name is currently stable.