Marylyn is a distinctive girls' name in United States, ranking #12716 in 2025 with 7 recorded births. The name reached its all-time peak in 1999 with 17 births ranking #6101. Since 1996, the popularity has decreased by 30.0%. In 2025, approximately 1 in every 229,610 girls born was named Marylyn. STABLE Recent data shows the name is currently stable.