Merlin is a distinctive girls' name in United States, ranking #5532 in 2008 with 26 recorded births. The name reached its all-time peak in 2003 with 30 births ranking #4382. Since 1996, the popularity has increased by 100.0%. In 2008, approximately 1 in every 72,720 girls born was named Merlin. STABLE Recent data shows the name is currently stable.