In 2025, 1,062 US girls were named Adelaide, making it the 289th most common girls’ name of the year, down 18 places from #271 in 2024. That is 99 fewer than the 1,161 girls named Adelaide in 2024. Its best rank for girls was #179, reached in 1883. The most girls given the name in a single year was 1,240, in 2016. For comparison, it was #272 in 2015 and #1,153 in 1950.
Social Security card records list Adelaide in every one of the 146 years from 1880 to 2025; in 1880 there were 65 babies with the name. In all, 35,007 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 10,225 babies named Adelaide.
Over the 10 years from 2016 to 2025, 11,369 US girls were named Adelaide; the busiest of those years was 2016, with 1,240. In 2025 that was about 1 in 1,513 of the girls in SSA’s list for the year.
Among the states, Adelaide ranked highest in Montana in 2025, at #79 for girls there. It was in the top 100 in 1 state (counting DC). Related spellings in the SSA files include Ada (107,183 babies since 1880), Adaline (18,766 babies since 1880), Adela (14,105 babies since 1880) and Adelaida (3,177 babies since 1880). Rarer spellings such as Adalaide, Adelayde and Adelade are summarised on this page. The open nickname list we use links it to Addy, Adele, Adie, Dell, Della and Heidi.