Marlyn is a distinctive boys' name in United States, ranking #10695 in 1998 with 5 recorded births. This places Marlyn in the bottom 5% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 12 births ranking #6883. In 1998, approximately 1 in every 382,264 boys born was named Marlyn. STABLE Recent data shows the name is currently stable.