Sylus first appears in the U.S. registration record in 1998. Its popularity climbed over the following decades. In 2013, 84 babies received the name (ranked #1753). Today it sits well outside the top 1,000 (around #2461), with roughly 56 babies named Sylus each year. Sylus's usage has held roughly steady recently. In total, around 1,178 babies have been registered with this name since 1880.