Recorded 1880–2025 · United States
Teresa was most popular in 1961, when 18,949 American babies were given the name — ranking #43 that year. In 2025 it ranked #1,731, with 291 births. Across 1880–2025 the Social Security Administration has recorded 417,209 people named Teresa.
The Social Security Administration’s records begin in 1880, and Teresa is already there in that first year — so the name is older than the record and these figures cannot date it. It has been recorded in 146 of the 146 years since.
The Social Security Administration has recorded 417,209 American births named Teresa between 1880 and 2025. That is recorded US births, not a world population — it counts people issued a Social Security number at birth in the United States. Of those, roughly 344,657 are estimated to be alive today.
291 American babies were named Teresa in 2025, ranking #1,731 that year.
Teresa is falling. Across 2021–2025 it averaged 318 births a year, against 455 a year across 2011–2015 — a change of -30% over the decade.
Measured on recorded births. American births overall have fallen since 2007, so most established names lose births over any recent decade — a name can shed births and still hold its rank. Compare the rank above, which is measured against the other names of the same year.
Across the whole record Teresa is a girl’s name — 99.7% of the 417,209 Americans given it were girls and 0.3% were boys. In births since 2016 it is 100% girls and 0% boys.
Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.
Roughly 344,657 Americans named Teresa are alive today — 83% of everyone ever recorded with the name. The median is 63 years old, and half are between 55 and 68.
An estimate, not a count. Recorded births are carried forward through the Social Security Administration’s 2023 period life table, by age and sex. That table describes mortality in one recent year, so it credits the oldest cohorts with today’s survival rather than the harsher rates they actually lived through — the further back a name peaked, the more this will overstate how many remain. It counts people issued a Social Security number at birth, not immigrants who arrived later.
Greek · uncertain, perhaps "harvester"
How much more common the name is in each state than across the country as a whole.
See Teresa on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org