Lilli is a distinctive girls' name in United States, ranking #1465 in 2003 with 134 recorded births. The name reached its all-time peak in 2006 with 174 births ranking #1339. Since 1996, the popularity has increased by 570.0%. In 2003, approximately 1 in every 13,635 girls born was named Lilli. RISING Recent data shows the name is currently rising.