How Many People Are Named Jeffrey?
An estimated 854,629 people in the United States have the first name Jeffrey, ranking it #33 among all first names. It is almost exclusively a male name. The average bearer is 54 years old, and Jeffrey peaked in popularity in 1962 with 33,614 births that year. It has a similar number of bearers to Nicholas (851,882).
Below you will find a full statistical profile of Jeffrey 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 Jeffrey paired with any surname.
Key Insights
- While Jeffrey is overwhelmingly male, 3,498 female births have been registered with this name since 1880.
- Jeffrey 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
854,629
About 1 in 401 people in the U.S.
Rarity
Very Common
Predicted Gender
Male
99.6% confidence
Average Age
54
years old
Peak Year
1962
33,614 births
Total Registered
982,547
since 1880
Gender Distribution for Jeffrey
Jeffrey is almost exclusively a male name. Out of 982,547 total births registered, 99.6% were male.
Jeffrey as a male name
Ranked #520 in 2024
587 male births in 2024
Peak: 1962 (33,536 births)
Jeffrey as a female name
Ranked #18,026 in 2012
5 female births in 2012
Peak: 1970 (140 births)
Jeffrey: Popularity Over Time
SSA records for Jeffrey span from the 1880s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 1960s, when 302,938 babies were registered. Jeffrey has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Jeffrey by Decade
How has Jeffrey 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 | 5 | 5 | 0 | |
| 1910s | 147 | 147 | 0 | |
| 1920s | 263 | 263 | 0 | |
| 1930s | 903 | 903 | 0 | |
| 1940s | 34,465 | 34,342 | 123 | |
| 1950s | 185,035 | 184,663 | 372 | |
| 1960s | 302,938 | 302,013 | 925 | |
| 1970s | 203,829 | 202,861 | 968 | |
| 1980s | 145,682 | 144,798 | 884 | |
| 1990s | 67,170 | 66,987 | 183 | |
| 2000s | 25,956 | 25,918 | 38 | |
| 2010s | 12,746 | 12,741 | 5 | |
| 2020s | 3,408 | 3,408 | 0 | |
Jeffrey by State
Birth registrations for Jeffrey span all 51 states and territories in the SSA database. The highest counts are in California, New York, Ohio. The lowest are in Wyoming, Alaska, Nevada. On average, about 19,195 Jeffreys were registered per state.
Jeffrey + Last Name Combinations
How many people share a full name with Jeffrey as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Jeffrey
Other first names starting with J with a similar number of bearers.
Jeffrey: Questions and Answers
How many people in the U.S. are named Jeffrey?
We estimate approximately 854,629 people named Jeffrey 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 401 Americans share this first name.
Is Jeffrey a common name?
Jeffrey is classified as "Very Common" and is more popular than 100% of all first names in the SSA database. A total of 982,547 births have been registered with this name since 1880.
When was Jeffrey most popular?
Jeffrey reached peak popularity in 1962, when 33,614 babies were given this name. The average age of a living person named Jeffrey is approximately 54 years old, reflecting when the name was most commonly given.
Is Jeffrey a male name?
Jeffrey is predominantly male. 99.6% of people with this name are male. See the gender breakdown above for full details.
How many Jeffrey Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Jeffrey Smith, Jeffrey Johnson, Jeffrey 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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