Lilli is a moderately popular girls' name in England & Wales, ranking #359 in 2004 with 106 recorded births. This places Lilli in the top 6% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2004 with 106 births ranking #359. Since 1996, the popularity has increased by 606.7%. In 2004, approximately 1 in every 2,697 girls born was named Lilli. FALLING Recent data shows the name is currently falling.