How Many People Are Named Jeffery?
An estimated 201,512 people in the United States have the first name Jeffery. While not in the top 50, it remains a well-known name ranking #264 overall. It is predominantly male (99.5%). The average bearer is 54 years old, and Jeffery peaked in popularity in 1962 with 9,330 births that year.
Below you will find a full statistical profile of Jeffery 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 Jeffery paired with any surname.
Key Insights
- While Jeffery is overwhelmingly male, 1,269 female births have been registered with this name since 1880.
- Jeffery 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
201,512
About 1 in 1,701 people in the U.S.
Rarity
Common
Predicted Gender
Male
99.5% confidence
Average Age
54
years old
Peak Year
1962
9,330 births
Total Registered
231,703
since 1880
Gender Distribution for Jeffery
Jeffery is almost exclusively a male name. Out of 231,703 total births registered, 99.5% were male.
Jeffery as a male name
Ranked #1,302 in 2024
150 male births in 2024
Peak: 1962 (9,281 births)
Jeffery as a female name
Ranked #14,361 in 1995
5 female births in 1995
Peak: 1963 (52 births)
Jeffery: Popularity Over Time
SSA records for Jeffery span from the 1890s to the 2020s, covering 14 decades of naming data. The most popular decade for this name was the 1960s, when 79,980 babies were registered. Jeffery has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Jeffery by Decade
How has Jeffery 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.
Jeffery by State
Birth registrations for Jeffery span all 51 states and territories in the SSA database. The highest counts are in California, Ohio, Michigan. The lowest are in Vermont, Rhode Island, New Hampshire. On average, about 4,473 Jefferys were registered per state.
Jeffery + Last Name Combinations
How many people share a full name with Jeffery as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Jeffery
Other first names starting with J with a similar number of bearers.
Jeffery: Questions and Answers
How many people in the U.S. are named Jeffery?
We estimate approximately 201,512 people named Jeffery 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 1,701 Americans share this first name.
Is Jeffery a common name?
Jeffery is classified as "Common" and is more popular than 99.7% of all first names in the SSA database. A total of 231,703 births have been registered with this name since 1880.
When was Jeffery most popular?
Jeffery reached peak popularity in 1962, when 9,330 babies were given this name. The average age of a living person named Jeffery is approximately 54 years old, reflecting when the name was most commonly given.
Is Jeffery a male name?
Jeffery is predominantly male. 99.5% of people with this name are male. See the gender breakdown above for full details.
How many Jeffery Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Jeffery Smith, Jeffery Johnson, Jeffery 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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