Kelyn is a distinctive girls' name in United States, ranking #6027 in 2006 with 22 recorded births. The name reached its all-time peak in 2006 with 22 births ranking #6027. Since 1996, the popularity has increased by 144.4%. In 2006, approximately 1 in every 86,412 girls born was named Kelyn. FALLING Recent data shows the name is currently falling.