Rilyn is a distinctive girls' name in United States, ranking #4529 in 2025 with 31 recorded births. This places Rilyn in the top 26% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 100 births ranking #1970. In 2025, approximately 1 in every 51,847 girls born was named Rilyn. FALLING Recent data shows the name is currently falling.