In 2025, 113 US girls were named Kalliope, making it the 1,787th most common girls’ name of the year, up 532 places from #2,319 in 2024. That is 33 more than the 80 girls named Kalliope in 2024. Its best rank for girls was #1,787, reached in this year, 2025. That year also had the most girls given the name: 113. For comparison, it was #2,728 in 2015 and unranked in 1950.
Social Security card records list Kalliope in 44 years of the 146 from 1880 to 2025, starting in 1922 with 7 babies. In all, 1,323 US babies have been given the name, all of them girls. Its busiest decade was the 2020s, with 578 babies named Kalliope.
Over the 10 years from 2016 to 2025, 874 US girls were named Kalliope; the busiest of those years was 2025, with 113. In 2025 that was about 1 in 14,224 of the girls in SSA’s list for the year.
Among the states, Kalliope ranked highest in Indiana in 2025, at #1,116 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Calliope (6,098 babies since 1880).