Caelyn is a distinctive girls' name in United States, ranking #3641 in 1997 with 31 recorded births. The name reached its all-time peak in 2012 with 193 births ranking #1251. Since 1996, the popularity has increased by 138.5%. In 1997, approximately 1 in every 56,150 girls born was named Caelyn. FALLING Recent data shows the name is currently falling.