Marylin first appears in the U.S. registration record in 1918. Its popularity climbed over the following decades. In 1943, 122 babies received the name (ranked #687). Today it sits well outside the top 1,000 (around #8096), with roughly 16 babies named Marylin each year. Marylin has been declining in recent years. In total, around 4,368 babies have been registered with this name since 1880.