Caelyn is a distinctive girls' name in United States, ranking #3050 in 2003 with 49 recorded births. The name reached its all-time peak in 2012 with 193 births ranking #1251. Since 1996, the popularity has increased by 276.9%. In 2003, approximately 1 in every 37,287 girls born was named Caelyn. FALLING Recent data shows the name is currently falling.