How Many People Are Named Betti?
An estimated 437 people in the United States have the first name Betti. It is almost exclusively a female name. The average bearer is 70 years old, and Betti peaked in popularity in 1946 with 37 births that year.
Below you will find a full statistical profile of Betti 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 Betti paired with any surname.
Key Insights
- With an average bearer age of 70, Betti is a vintage name most associated with earlier generations. Most living bearers were born before 1966.
Estimated Living Americans
437
About 1 in 784,335 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
70
years old
Peak Year
1946
37 births
Total Registered
849
since 1880
Gender Distribution for Betti
Betti is almost exclusively a female name. Out of 849 total births registered, 100.0% were female.
Betti as a female name
Ranked #10,651 in 1995
7 female births in 1995
Peak: 1946 (37 births)
Betti: Popularity Over Time
SSA records for Betti span from the 1910s to the 1990s, covering 9 decades of naming data. The most popular decade for this name was the 1940s, when 246 babies were registered. Betti has declined significantly from its peak in the 1940s. Recent registrations are a fraction of what they were at the name's height.
Betti by Decade
How has Betti 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.
Betti by State
Birth registrations for Betti span all 3 states and territories in the SSA database. The highest counts are in California, New York, Washington. The lowest are in Washington, New York, California. On average, about 10 Bettis were registered per state.
Betti + Last Name Combinations
How many people share a full name with Betti as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Betti
Other first names starting with B with a similar number of bearers.
Betti: Questions and Answers
How many people in the U.S. are named Betti?
We estimate approximately 437 people named Betti 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 784,335 Americans share this first name.
Is Betti a common name?
Betti is classified as "Very Rare" and is more popular than 83.3% of all first names in the SSA database. A total of 849 births have been registered with this name since 1880.
When was Betti most popular?
Betti reached peak popularity in 1946, when 37 babies were given this name. The average age of a living person named Betti is approximately 70 years old, reflecting when the name was most commonly given.
Is Betti a female name?
Betti is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Betti Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Betti Smith, Betti Johnson, Betti 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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