Kelyn is a distinctive girls' name in United States, ranking #5785 in 1999 with 18 recorded births. The name reached its all-time peak in 2006 with 22 births ranking #6027. Since 1996, the popularity has increased by 100.0%. In 1999, approximately 1 in every 98,543 girls born was named Kelyn. FALLING Recent data shows the name is currently falling.