Lylia first appears in the U.S. registration record in 1919. Its popularity climbed over the following decades. In 2013, 21 babies received the name (ranked #6159). Today it sits well outside the top 1,000 (around #10326), with roughly 11 babies named Lylia each year. Lylia has been declining in recent years. In total, around 419 babies have been registered with this name since 1880.