Merrin is a distinctive girls' name in United States, ranking #8186 in 2025 with 13 recorded births. This places Merrin in the top 47% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2020 with 15 births ranking #7450. Since 1996, the popularity has increased by 116.7%. In 2025, approximately 1 in every 123,636 girls born was named Merrin. STABLE Recent data shows the name is currently stable.