Marlyn is a distinctive girls' name in United States, ranking #5653 in 2025 with 22 recorded births. The name reached its all-time peak in 2012 with 82 births ranking #2306. Since 1996, the popularity has decreased by 63.3%. In 2025, approximately 1 in every 73,058 girls born was named Marlyn. STABLE Recent data shows the name is currently stable.