How Many People Are Named Jethro?
An estimated 3,151 people in the United States have the first name Jethro. It is almost exclusively a male name. The average bearer is 23 years old, and Jethro peaked in popularity in 2024 with 201 births that year.
Below you will find a full statistical profile of Jethro 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 Jethro paired with any surname.
Estimated Living Americans
3,151
About 1 in 108,776 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
23
years old
Peak Year
2024
201 births
Total Registered
4,077
since 1880
Gender Distribution for Jethro
Jethro is almost exclusively a male name. Out of 4,077 total births registered, 100.0% were male.
Jethro as a male name
Ranked #1,078 in 2024
201 male births in 2024
Peak: 2024 (201 births)
Jethro: Popularity Over Time
SSA records for Jethro span from the 1890s to the 2020s, covering 14 decades of naming data. The most popular decade for this name was the 2010s, when 1,078 babies were registered. Jethro remains highly popular today, with recent registration numbers near its historical peak.
Jethro by Decade
How has Jethro 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.
Jethro by State
Birth registrations for Jethro span all 31 states and territories in the SSA database. The highest counts are in California, North Carolina, Texas. The lowest are in Tennessee, Nevada, Nebraska. On average, about 45 Jethros were registered per state.
Jethro + Last Name Combinations
How many people share a full name with Jethro as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Jethro
Other first names starting with J with a similar number of bearers.
Jethro: Questions and Answers
How many people in the U.S. are named Jethro?
We estimate approximately 3,151 people named Jethro 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 108,776 Americans share this first name.
Is Jethro a common name?
Jethro is classified as "Rare" and is more popular than 95.3% of all first names in the SSA database. A total of 4,077 births have been registered with this name since 1880.
When was Jethro most popular?
Jethro reached peak popularity in 2024, when 201 babies were given this name. The average age of a living person named Jethro is approximately 23 years old, reflecting when the name was most commonly given.
Is Jethro a male name?
Jethro is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Jethro Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Jethro Smith, Jethro Johnson, Jethro 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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