Marilyn is a distinctive girls' name in United States, ranking #565 in 2008 with 545 recorded births. The name reached its all-time peak in 2013 with 837 births ranking #373. Since 1996, the popularity has decreased by 10.8%. In 2008, approximately 1 in every 3,469 girls born was named Marilyn. STABLE Recent data shows the name is currently stable.