In 2025, 247 US girls were named Cynthia, making it the 1,014th most common girls’ name of the year, down 185 places from #829 in 2024. That is 84 fewer than the 331 girls named Cynthia in 2024. Its best rank for girls was #7, reached in 1957. That year also had the most girls given the name: 39,340. For comparison, it was #540 in 2015 and #23 in 1950.
Social Security card records list Cynthia in every one of the 146 years from 1880 to 2025; in 1880 there were 61 babies with the name. In all, 713,412 US babies have been given the name, 99.7% of them girls and 0.3% boys. Its busiest decade was the 1950s, with 263,892 babies named Cynthia.
Over the 10 years from 2016 to 2025, 3,666 US girls were named Cynthia; the busiest of those years was 2016, with 552. In 2025 that was about 1 in 6,507 of the girls in SSA’s list for the year.
Among the states, Cynthia ranked highest in Wisconsin in 2025, at #488 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Cindy (258,065 babies since 1880), Cinthia (6,144 babies since 1880), Synthia (2,428 babies since 1880) and Cinthya (1,807 babies since 1880). Rarer spellings such as Cintia, Cyntia and Cynthea are summarised on this page. The open nickname list we use links it to Cindy and Cintha.
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 Arabic, Dutch and English. That is where the name is used, not necessarily where it comes from.