Marilyn is a distinctive girls' name in England & Wales, ranking #1719 in 2025 with 17 recorded births. The name reached its all-time peak in 2015 with 20 births ranking #1549. Since 1996, the popularity has increased by 240.0%. In 2025, approximately 1 in every 14,899 girls born was named Marilyn. RISING Recent data shows the name is currently rising.