In 2025, 123 US girls were named Alannah, making it the 1,674th most common girls’ name of the year, down 165 places from #1,509 in 2024. That is 20 fewer than the 143 girls named Alannah in 2024. Its best rank for girls was #763, reached in 2015. That year also had the most girls given the name: 370. For comparison, it was #763 in 2015 and unranked in 1950.
Social Security card records list Alannah in 43 years of the 146 from 1880 to 2025, starting in 1948 with 6 babies. In all, 7,392 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 3,005 babies named Alannah.
Over the 10 years from 2016 to 2025, 2,203 US girls were named Alannah; the busiest of those years was 2016, with 320. In 2025 that was about 1 in 13,067 of the girls in SSA’s list for the year.
Among the states, Alannah ranked highest in South Carolina in 2025, at #691 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Alanna (27,019 babies since 1880), Alanah (4,226 babies since 1880), Alana (68,295 babies since 1880) and Alaina (50,584 babies since 1880). Rarer spellings such as Aliyannah, Alliannah and Allyannah are summarised on this page.