Kilynn is a distinctive boys' name in United States, ranking #13065 in 2025 with 5 recorded births. This places Kilynn in the bottom 6% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2023 with 6 births ranking #11603. In 2025, approximately 1 in every 341,615 boys born was named Kilynn. STABLE Recent data shows the name is currently stable.