Harlyn is a distinctive girls' name in United States, ranking #2142 in 2025 with 87 recorded births. This places Harlyn in the top 12% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 221 births ranking #1128. In 2025, approximately 1 in every 18,474 girls born was named Harlyn. FALLING Recent data shows the name is currently falling.