Kellyn is a distinctive girls' name in United States, ranking #7085 in 2023 with 16 recorded births. The name reached its all-time peak in 2008 with 67 births ranking #2731. Since 1996, the popularity has decreased by 71.4%. In 2023, approximately 1 in every 100,165 girls born was named Kellyn. FALLING Recent data shows the name is currently falling.