Merlin is a distinctive girls' name in United States, ranking #7318 in 2002 with 15 recorded births. The name reached its all-time peak in 2003 with 30 births ranking #4382. Since 1996, the popularity has increased by 15.4%. In 2002, approximately 1 in every 119,788 girls born was named Merlin. STABLE Recent data shows the name is currently stable.