How Many People Are Named Teresa?
An estimated 313,745 people in the United States have the first name Teresa. While not in the top 50, it remains a well-known name ranking #155 overall. It is almost exclusively a female name. The average bearer is 59 years old, and Teresa peaked in popularity in 1961 with 18,949 births that year.
Below you will find a full statistical profile of Teresa as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Teresa paired with any surname.
Key Insights
- While Teresa is overwhelmingly female, 1,165 male births have been registered with this name since 1880.
- Teresa has fallen dramatically from its peak in the 1960s. Recent registrations are less than 5% of what they were at the name's height.
Estimated Living Americans
313,745
About 1 in 1,092 people in the U.S.
Rarity
Common
Predicted Gender
Female
99.7% confidence
Average Age
59
years old
Peak Year
1961
18,949 births
Total Registered
416,911
since 1880
Gender Distribution for Teresa
Teresa is almost exclusively a female name. Out of 416,911 total births registered, 99.7% were female.
Teresa as a male name
Ranked #5,876 in 1995
10 male births in 1995
Peak: 1963 (52 births)
Teresa as a female name
Ranked #871 in 2024
310 female births in 2024
Peak: 1961 (18,909 births)
Teresa: Popularity Over Time
SSA records for Teresa span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1960s, when 152,201 babies were registered. Teresa has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Teresa by Decade
How has Teresa tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1880s | 769 | 0 | 769 | |
| 1890s | 1,587 | 0 | 1,587 | |
| 1900s | 1,889 | 0 | 1,889 | |
| 1910s | 5,199 | 5 | 5,194 | |
| 1920s | 9,262 | 34 | 9,228 | |
| 1930s | 7,694 | 46 | 7,648 | |
| 1940s | 19,375 | 45 | 19,330 | |
| 1950s | 114,515 | 231 | 114,284 | |
| 1960s | 152,201 | 411 | 151,790 | |
| 1970s | 56,271 | 233 | 56,038 | |
| 1980s | 23,542 | 132 | 23,410 | |
| 1990s | 11,980 | 28 | 11,952 | |
| 2000s | 6,755 | 0 | 6,755 | |
| 2010s | 4,214 | 0 | 4,214 | |
| 2020s | 1,658 | 0 | 1,658 | |
Teresa by State
Birth registrations for Teresa span all 51 states and territories in the SSA database. The highest counts are in California, Texas, Ohio. The lowest are in Vermont, New Hampshire, Wyoming. On average, about 8,011 Teresas were registered per state.
Teresa + Last Name Combinations
How many people share a full name with Teresa as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Teresa
Other first names starting with T with a similar number of bearers.
Teresa: Questions and Answers
How many people in the U.S. are named Teresa?
We estimate approximately 313,745 people named Teresa are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 1,092 Americans share this first name.
Is Teresa a common name?
Teresa is classified as "Common" and is more popular than 99.9% of all first names in the SSA database. A total of 416,911 births have been registered with this name since 1880.
When was Teresa most popular?
Teresa reached peak popularity in 1961, when 18,949 babies were given this name. The average age of a living person named Teresa is approximately 59 years old, reflecting when the name was most commonly given.
Is Teresa a female name?
Teresa is predominantly female. 99.7% of people with this name are female. See the gender breakdown above for full details.
How many Teresa Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Teresa Smith, Teresa Johnson, Teresa Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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