Lilli is a distinctive girls' name in United States, ranking #2871 in 1998 with 46 recorded births. The name reached its all-time peak in 2006 with 174 births ranking #1339. Since 1996, the popularity has increased by 130.0%. In 1998, approximately 1 in every 38,411 girls born was named Lilli. RISING Recent data shows the name is currently rising.