Frederik first appears in the U.S. registration record in 1920. Its popularity climbed over the following decades. In 2024, 19 babies received the name (ranked #5102). Today it sits well outside the top 1,000 (around #6108), with roughly 15 babies named Frederik each year. Frederik's usage has held roughly steady recently. In total, around 603 babies have been registered with this name since 1880.