Caelyn is a distinctive girls' name in United States, ranking #2938 in 2002 with 50 recorded births. The name reached its all-time peak in 2012 with 193 births ranking #1251. Since 1996, the popularity has increased by 284.6%. In 2002, approximately 1 in every 35,936 girls born was named Caelyn. FALLING Recent data shows the name is currently falling.