Marilyn is a distinctive girls' name in United States, ranking #546 in 2011 with 534 recorded births. The name reached its all-time peak in 2013 with 837 births ranking #373. Since 1996, the popularity has decreased by 12.6%. In 2011, approximately 1 in every 3,294 girls born was named Marilyn. STABLE Recent data shows the name is currently stable.