Merlin is a distinctive girls' name in United States, ranking #5640 in 2007 with 25 recorded births. The name reached its all-time peak in 2003 with 30 births ranking #4382. Since 1996, the popularity has increased by 92.3%. In 2007, approximately 1 in every 76,898 girls born was named Merlin. STABLE Recent data shows the name is currently stable.