Merlyn is a distinctive boys' name in United States, ranking #11707 in 2017 with 6 recorded births. This places Merlyn in the bottom 18% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 10 births ranking #6671. In 2017, approximately 1 in every 308,386 boys born was named Merlyn. STABLE Recent data shows the name is currently stable.