Carlyn entered U.S. records in 1900, near the turn of the 20th century. Its popularity climbed over the following decades. In 1992, 74 babies received the name (ranked #1896). Today it sits well outside the top 1,000 (around #6165), with roughly 21 babies named Carlyn each year. Carlyn has been declining in recent years. In total, around 4,361 babies have been registered with this name since 1880.