Kellin is a distinctive boys' name in United States, ranking #2861 in 2025 with 44 recorded births. This places Kellin in the top 21% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 110 births ranking #1479. Since 1996, the popularity has increased by 300.0%. In 2025, approximately 1 in every 38,820 boys born was named Kellin. FALLING Recent data shows the name is currently falling.