Lilli is a distinctive girls' name in England & Wales, ranking #655 in 2010 with 57 recorded births. The name reached its all-time peak in 2004 with 106 births ranking #359. Since 1996, the popularity has increased by 280.0%. In 2010, approximately 1 in every 5,632 girls born was named Lilli. FALLING Recent data shows the name is currently falling.