Marilyn is a distinctive girls' name in United States, ranking #573 in 2004 with 499 recorded births. The name reached its all-time peak in 2013 with 837 births ranking #373. Since 1996, the popularity has decreased by 18.3%. In 2004, approximately 1 in every 3,680 girls born was named Marilyn. STABLE Recent data shows the name is currently stable.