Kalliope first appears in the U.S. registration record in 1922. Its popularity climbed over the following decades. In 2021, 104 babies received the name (ranked #1903). Today it sits well outside the top 1,000 (around #2290), with roughly 83 babies named Kalliope each year. Kalliope's usage has held roughly steady recently. In total, around 1,210 babies have been registered with this name since 1880.