In 2025, 13 US girls were named Deirdre, making it the 7,989th most common girls’ name of the year, up 1,733 places from #9,722 in 2024. That is 3 more than the 10 girls named Deirdre in 2024. Its best rank for girls was #333, reached in 1961. That year also had the most girls given the name: 799. For comparison, it was #5,021 in 2015 and #711 in 1950.
Social Security card records list Deirdre in 103 years of the 146 from 1880 to 2025, starting in 1921 with 6 babies. In all, 16,845 US babies have been given the name, all of them girls. Its busiest decade was the 1960s, with 6,321 babies named Deirdre.
Over the 10 years from 2016 to 2025, 150 US girls were named Deirdre; the busiest of those years was 2016, with 20. In 2025 that was about 1 in 123,636 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Deidre (14,684 babies since 1880). Rarer spellings such as Dierdre 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 Irish. That is where the name is used, not necessarily where it comes from.