Lilli is a distinctive girls' name in United States, ranking #1339 in 2006 with 174 recorded births. The name reached its all-time peak in 2006 with 174 births ranking #1339. Since 1996, the popularity has increased by 770.0%. In 2006, approximately 1 in every 10,926 girls born was named Lilli. RISING Recent data shows the name is currently rising.