Keldon first appears in the U.S. registration record in 1967. Its popularity climbed over the following decades. In 2001, 31 babies received the name (ranked #2965). Today it sits well outside the top 1,000 (around #7602), with roughly 12 babies named Keldon each year. Keldon has been declining in recent years. In total, around 607 babies have been registered with this name since 1880.