Caelyn is a distinctive girls' name in United States, ranking #2814 in 2001 with 52 recorded births. The name reached its all-time peak in 2012 with 193 births ranking #1251. Since 1996, the popularity has increased by 300.0%. In 2001, approximately 1 in every 34,626 girls born was named Caelyn. FALLING Recent data shows the name is currently falling.