Amarius first appears in the U.S. registration record in 1998. Its popularity climbed over the following decades. In 2015, 28 babies received the name (ranked #3782). Today it sits well outside the top 1,000 (around #5819), with roughly 16 babies named Amarius each year. Amarius has been declining in recent years. In total, around 408 babies have been registered with this name since 1880.