In 2025, 2,659 US girls were named Sienna, making it the 94th most common girls’ name of the year, up 45 places from #139 in 2024. That is 541 more than the 2,118 girls named Sienna in 2024. Its best rank for girls was #94, reached in this year, 2025. That year also had the most girls given the name: 2,659. For comparison, it was #230 in 2015 and unranked in 1950.
Social Security card records list Sienna in 56 years of the 146 from 1880 to 2025, starting in 1960 with 6 babies. In all, 39,887 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 14,141 babies named Sienna.
Over the 10 years from 2016 to 2025, 18,480 US girls were named Sienna; the busiest of those years was 2025, with 2,659. In 2025 that was about 1 in 604 of the girls in SSA’s list for the year.
Among the states, Sienna ranked highest in Hawaii in 2025, at #42 for girls there. It was in the top 100 in 12 states (counting DC). Related spellings in the SSA files include Sianna (2,052 babies since 1880), Siena (11,070 babies since 1880), Sena (3,326 babies since 1880) and Cienna (3,093 babies since 1880). Rarer spellings such as Sina, Siana and Zionna are summarised on this page.