Leoni is a distinctive girls' name in England & Wales, ranking #508 in 1999 with 57 recorded births. This places Leoni in the top 10% of ranked UK girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2004 with 95 births ranking #394. Since 1996, the popularity has increased by 96.6%. In 1999, approximately 1 in every 4,942 girls born was named Leoni. RISING Recent data shows the name is currently rising.