Delon first appears in the U.S. registration record in 1932. Its popularity climbed over the following decades. In 1993, 40 babies received the name (ranked #2017). Today it sits well outside the top 1,000 (around #6970), with roughly 13 babies named Delon each year. Delon has been declining in recent years. In total, around 1,399 babies have been registered with this name since 1880.