Lilli is a distinctive girls' name in United States, ranking #2450 in 2017 with 74 recorded births. The name reached its all-time peak in 2006 with 174 births ranking #1339. Since 1996, the popularity has increased by 270.0%. In 2017, approximately 1 in every 23,323 girls born was named Lilli. RISING Recent data shows the name is currently rising.