Bailyn is a distinctive girls' name in United States, ranking #7955 in 2025 with 13 recorded births. The name reached its all-time peak in 2011 with 20 births ranking #6371. Since 1996, the popularity has increased by 116.7%. In 2025, approximately 1 in every 123,636 girls born was named Bailyn. STABLE Recent data shows the name is currently stable.