Shailene first appears in the U.S. registration record in 1991. Its popularity climbed over the following decades. In 2014, 29 babies received the name (ranked #4881). Today it sits well outside the top 1,000 (around #9600), with roughly 14 babies named Shailene each year. Shailene has been declining in recent years. In total, around 256 babies have been registered with this name since 1880.