Dilan is a distinctive boys' name in England & Wales, ranking #1226 in 2025 with 23 recorded births. The name reached its all-time peak in 2012 with 56 births ranking #625. Since 1996, the popularity has decreased by 17.9%. In 2025, approximately 1 in every 11,823 boys born was named Dilan. STABLE Recent data shows the name is currently stable.