Marilyn is a distinctive girls' name in United States, ranking #527 in 1999 with 481 recorded births. The name reached its all-time peak in 2013 with 837 births ranking #373. Since 1996, the popularity has decreased by 21.3%. In 1999, approximately 1 in every 3,688 girls born was named Marilyn. STABLE Recent data shows the name is currently stable.