Lilly is a popular girls' name in England & Wales, ranking #96 in 2021 with 551 recorded births. The name reached its all-time peak in 2011 with 1,950 births ranking #27. Since 1996, the popularity has increased by 519.1%. In 2021, approximately 1 in every 497 girls born was named Lilly. FALLING Recent data shows the name is currently falling.