Caelyn is a distinctive girls' name in United States, ranking #1597 in 2006 with 134 recorded births. The name reached its all-time peak in 2012 with 193 births ranking #1251. Since 1996, the popularity has increased by 930.8%. In 2006, approximately 1 in every 14,187 girls born was named Caelyn. FALLING Recent data shows the name is currently falling.