In 2025, 136 US girls were named Theresa, making it the 1,559th most common girls’ name of the year, down 63 places from #1,496 in 2024. That is 10 fewer than the 146 girls named Theresa in 2024. Its best rank for girls was #32, reached in 1956. The most girls given the name in a single year was 11,960, in 1961. For comparison, it was #1,196 in 2015 and #65 in 1950.
Social Security card records list Theresa in every one of the 146 years from 1880 to 2025; in 1880 there were 153 babies with the name. In all, 405,831 US babies have been given the name, 99.6% of them girls and 0.3% boys. Its busiest decade was the 1960s, with 97,412 babies named Theresa.
Over the 10 years from 2016 to 2025, 1,696 US girls were named Theresa; the busiest of those years was 2018, with 224. In 2025 that was about 1 in 11,818 of the girls in SSA’s list for the year.
Among the states, Theresa ranked highest in Minnesota in 2025, at #827 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Teresa (417,209 babies since 1880), Therese (35,595 babies since 1880), Terese (6,503 babies since 1880) and Teresia (1,133 babies since 1880). The open nickname list we use links it to Terry, Tess, Tessa, Tessie, Thirza and Thursa.