Kelyn is a distinctive girls' name in United States, ranking #6983 in 2011 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 2011, approximately 1 in every 97,711 girls born was named Kelyn. FALLING Recent data shows the name is currently falling.