Kelyn is a distinctive girls' name in United States, ranking #6332 in 1997 with 15 recorded births. The name reached its all-time peak in 2006 with 22 births ranking #6027. Since 1996, the popularity has increased by 66.7%. In 1997, approximately 1 in every 116,044 girls born was named Kelyn. FALLING Recent data shows the name is currently falling.