Lilli is a distinctive girls' name in United States, ranking #2518 in 2015 with 72 recorded births. The name reached its all-time peak in 2006 with 174 births ranking #1339. Since 1996, the popularity has increased by 260.0%. In 2015, approximately 1 in every 24,787 girls born was named Lilli. RISING Recent data shows the name is currently rising.