Fewer than five US girls were named Brittanie in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #544, reached in 1989. The most girls given the name in a single year was 429, in 1990. For comparison, it was #11,054 in 2015 and unranked in 1950.
Social Security card records list Brittanie in 43 years of the 146 from 1880 to 2025, starting in 1973 with 8 babies. In all, 4,738 US babies have been given the name, all of them girls. Its busiest decade was the 1990s, with 2,625 babies named Brittanie.
Over the 10 years from 2016 to 2025, 10 US girls were named Brittanie; the busiest of those years was 2019, with 5.
Related spellings in the SSA files include Brittany (361,751 babies since 1880), Brittani (11,776 babies since 1880), Brittaney (3,280 babies since 1880) and Britani (1,409 babies since 1880). Rarer spellings such as Brittinee and Brytanie are summarised on this page.