Dylan is a distinctive girls' name in England & Wales, ranking #2006 in 2025 with 14 recorded births. The name reached its all-time peak in 2021 with 21 births ranking #1454. Since 1996, the popularity has increased by 133.3%. In 2025, approximately 1 in every 18,092 girls born was named Dylan. STABLE Recent data shows the name is currently stable.
Dylan is a Welsh name strongly associated with the sea and often explained as "son of the sea" or "sea-born". It has been one of the most successful mythological names to become a mainstream modern favourite.
The name comes from Welsh legend, where Dylan is a sea-linked figure. It later spread far beyond Wales and became one of the defining boys' names of the late twentieth century.