Kelyn is a distinctive boys' name in United States, ranking #5663 in 1998 with 11 recorded births. The name reached its all-time peak in 2005 with 16 births ranking #5166. Since 1996, the popularity has increased by 57.1%. In 1998, approximately 1 in every 173,756 boys born was named Kelyn. RISING Recent data shows the name is currently rising.