Caelyn is a distinctive girls' name in United States, ranking #1758 in 2005 with 112 recorded births. The name reached its all-time peak in 2012 with 193 births ranking #1251. Since 1996, the popularity has increased by 761.5%. In 2005, approximately 1 in every 16,497 girls born was named Caelyn. FALLING Recent data shows the name is currently falling.