Lillian is a popular girls' name in United States, ranking #55 in 2023 with 3,937 recorded births. The name reached its all-time peak in 2012 with 7,171 births ranking #25. Since 1996, the popularity has increased by 249.3%. In 2023, approximately 1 in every 407 girls born was named Lillian. STABLE Recent data shows the name is currently stable.