In 2025, 24 US girls were named Seanna, making it the 5,372nd most common girls’ name of the year, down 611 places from #4,761 in 2024. That is 5 fewer than the 29 girls named Seanna in 2024. Its best rank for girls was #1,689, reached in 2006. That year also had the most girls given the name: 125. For comparison, it was #4,964 in 2015 and unranked in 1950.
Social Security card records list Seanna in 66 years of the 146 from 1880 to 2025, starting in 1959 with 6 babies. In all, 2,355 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 806 babies named Seanna.
Over the 10 years from 2016 to 2025, 261 US girls were named Seanna; the busiest of those years was 2022, with 31. In 2025 that was about 1 in 66,969 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Sienna (39,887 babies since 1880), Sena (3,326 babies since 1880), Cianna (2,982 babies since 1880) and Sianna (2,052 babies since 1880). Rarer spellings such as Seaanna are summarised on this page.