Merlin is a distinctive girls' name in United States, ranking #16023 in 1999 with 5 recorded births. The name reached its all-time peak in 2003 with 30 births ranking #4382. Since 1996, the popularity has decreased by 61.5%. In 1999, approximately 1 in every 354,756 girls born was named Merlin. STABLE Recent data shows the name is currently stable.