Kelyn is a distinctive boys' name in United States, ranking #6135 in 2000 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 2000, approximately 1 in every 178,539 boys born was named Kelyn. RISING Recent data shows the name is currently rising.