Kelyn is a distinctive girls' name in United States, ranking #8984 in 2004 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 2004, approximately 1 in every 153,010 girls born was named Kelyn. FALLING Recent data shows the name is currently falling.