Fewer than five US girls were named Thomasina in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #977, reached in 1932. The most girls given the name in a single year was 85, in 1966. For comparison, it was #18,876 in 2015 and #1,233 in 1950.
Social Security card records list Thomasina in 108 years of the 146 from 1880 to 2025, starting in 1904 with 6 babies. In all, 3,765 US babies have been given the name, all of them girls. Its busiest decade was the 1960s, with 592 babies named Thomasina.
Over the 10 years from 2016 to 2025, 6 US girls were named Thomasina; the busiest of those years was 2019, with 6.
Related spellings in the SSA files include Thomasine (2,234 babies since 1880). Rarer spellings such as Thomasena, Tomasina and Tamsin 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 English. That is where the name is used, not necessarily where it comes from.