Marilyn is a distinctive girls' name in United States, ranking #707 in 2021 with 407 recorded births. The name reached its all-time peak in 2013 with 837 births ranking #373. Since 1996, the popularity has decreased by 33.4%. In 2021, approximately 1 in every 4,029 girls born was named Marilyn. STABLE Recent data shows the name is currently stable.