Harlyn is a distinctive boys' name in United States, ranking #7382 in 2009 with 11 recorded births. This places Harlyn in the bottom 49% 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 120.0%. In 2009, approximately 1 in every 180,300 boys born was named Harlyn. RISING Recent data shows the name is currently rising.