Caelyn first appears in the U.S. registration record in 1987. Its popularity climbed over the following decades. In 2012, 193 babies received the name (ranked #1251). Today it sits well outside the top 1,000 (around #3599), with roughly 49 babies named Caelyn each year. Caelyn has been declining in recent years. In total, around 2,401 babies have been registered with this name since 1880.