Kelyn is a distinctive girls' name in United States, ranking #8291 in 2000 with 12 recorded births. The name reached its all-time peak in 2006 with 22 births ranking #6027. Since 1996, the popularity has increased by 33.3%. In 2000, approximately 1 in every 151,331 girls born was named Kelyn. FALLING Recent data shows the name is currently falling.