Dalyn is a distinctive boys' name in United States, ranking #6538 in 2025 with 13 recorded births. The name reached its all-time peak in 2002 with 45 births ranking #2305. Since 1996, the popularity has decreased by 45.8%. In 2025, approximately 1 in every 131,390 boys born was named Dalyn. STABLE Recent data shows the name is currently stable.