Caelyn is a distinctive girls' name in United States, ranking #2620 in 2016 with 67 recorded births. This places Caelyn in the top 14% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 193 births ranking #1251. Since 1996, the popularity has increased by 415.4%. In 2016, approximately 1 in every 26,440 girls born was named Caelyn. FALLING Recent data shows the name is currently falling.