Kaiyon first appears in the U.S. registration record in 2004. Its popularity climbed over the following decades. In 2012, 14 babies received the name (ranked #6145). Today it sits well outside the top 1,000 (around #8257), with roughly 10 babies named Kaiyon each year. Kaiyon's usage has held roughly steady recently. In total, around 149 babies have been registered with this name since 1880.