Kerin is a distinctive boys' name in United States, ranking #13021 in 2025 with 5 recorded births. This places Kerin in the bottom 7% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 8 births ranking #8733. In 2025, approximately 1 in every 341,615 boys born was named Kerin. FALLING Recent data shows the name is currently falling.