Owain first appears in the U.S. registration record in 1998. Its popularity climbed over the following decades. In 2008, 16 babies received the name (ranked #5697). Today it sits well outside the top 1,000 (around #10670), with roughly 7 babies named Owain each year. Owain has been declining in recent years. In total, around 144 babies have been registered with this name since 1880.