Harlyn is a distinctive boys' name in United States, ranking #6601 in 2022 with 13 recorded births. This places Harlyn in the top 46% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 24 births ranking #4304. Since 1996, the popularity has increased by 160.0%. In 2022, approximately 1 in every 134,183 boys born was named Harlyn. RISING Recent data shows the name is currently rising.