In 2025, 24 US girls were named Hilary, making it the 5,301st most common girls’ name of the year, down 1,306 places from #3,995 in 2024. That is 13 fewer than the 37 girls named Hilary in 2024. Its best rank for girls was #232, reached in 1990. That year also had the most girls given the name: 1,217. For comparison, it was #3,041 in 2015 and #844 in 1950.
Social Security card records list Hilary in 129 years of the 146 from 1880 to 2025, starting in 1882 with 7 babies. In all, 26,368 US babies have been given the name, 92% of them girls and 8.3% boys. Its busiest decade was the 1980s, with 8,448 babies named Hilary.
Over the 10 years from 2016 to 2025, 293 US girls were named Hilary; the busiest of those years was 2023, with 60. In 2025 that was about 1 in 66,969 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Hillary (30,305 babies since 1880) and Hilario (4,681 babies since 1880). Rarer spellings such as Hilarie, Ilario and Hilaree 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 Polish. That is where the name is used, not necessarily where it comes from.