In 2025, 49 US girls were named Una, making it the 3,245th most common girls’ name of the year, down 236 places from #3,009 in 2024. That is 6 fewer than the 55 girls named Una in 2024. Its best rank for girls was #331, reached in 1890. The most girls given the name in a single year was 217, in 1921. For comparison, it was #3,526 in 2015 and #1,408 in 1950.
Social Security card records list Una in every one of the 146 years from 1880 to 2025; in 1880 there were 10 babies with the name. In all, 8,108 US babies have been given the name, all of them girls. Its busiest decade was the 1920s, with 1,597 babies named Una.
Over the 10 years from 2016 to 2025, 543 US girls were named Una; the busiest of those years was 2022, with 63. In 2025 that was about 1 in 32,801 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Ona (8,031 babies since 1880) and Oona (1,776 babies since 1880). Rarer spellings such as Onna, Unai and Onah are summarised on this page.
Meaning
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Wikidata records this spelling as a given name in Latvian. That is where the name is used, not necessarily where it comes from.