Lilac is a distinctive girls' name in United States, ranking #4131 in 2025 with 35 recorded births. This places Lilac in the top 24% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2024 with 43 births ranking #3603. Since 1996, the popularity has increased by 400.0%. In 2025, approximately 1 in every 45,922 girls born was named Lilac. RISING Recent data shows the name is currently rising.