Merlin is a distinctive boys' name in England & Wales, ranking #1798 in 2025 with 14 recorded births. The name reached its all-time peak in 2017 with 27 births ranking #1068. Since 1996, the popularity has increased by 40.0%. In 2025, approximately 1 in every 19,424 boys born was named Merlin. STABLE Recent data shows the name is currently stable.