Shelley entered U.S. records in 1892, near the turn of the 20th century. Its popularity climbed over the following decades. In 1964, 2,821 babies received the name (ranked #143). Today it sits well outside the top 1,000 (around #9524), with roughly 12 babies named Shelley each year. Shelley has been declining in recent years. In total, around 74,326 babies have been registered with this name since 1880.