Jethro Tull
There are approximately 1 people named Jethro Tull living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Jethro with Census Bureau frequency data for the surname Tull. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
1
1 in 342,754,338
Named Jethro
3.2K
Alive today
Named Tull
6.9K
Alive today
US population
343M
Denominator
Estimated living: 3.2K
Rarity: Rare
Gender: Male
Peak year: 2024
Average age: 23
Estimated bearers: 6.9K
Rarity: Rare
Census rank: #5,851
Per 100K: 2.00
Top ancestry: White (72.4%)
First name trend
Jethro: popularity over time
Year-by-year SSA birth registrations for the first name Jethro. The peak year was 2024 with 201 births. The average person named Jethro today is 23 years old.
Babies born per year
Ethnicity
Ancestry of the Tull surname
Self-reported race and ethnicity breakdown for people with the surname Tull, from the 2010 US Census Bureau. The largest group is White at 72.4%.
- White72.4%
- Black or African American16.9%
- Hispanic or Latino4.8%
- Asian and Pacific Islander3.1%
- Two or more races2.4%
- American Indian and Alaska Native0.4%
Methodology
How we calculated this
The first name Jethro has a living-bearer frequency of 0.0009% of the US population, based on 3,151 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Tull appears at a rate of 2.00 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0020%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 1 people with the full name Jethro Tull. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Jethro Tull: questions and answers
How many people are named Jethro Tull?
We estimate approximately 1 people in the United States share the full name Jethro Tull. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0009%) with the surname frequency (2.00 per 100K) against the current US population.
How rare is the name Jethro Tull?
We classify Jethro Tull as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Jethro a male or female name?
Jethro is predominantly male. Out of 4,077 total SSA registrations, 100.0% were male and 0.0% were female. See the full Jethro profile for detailed gender data.
Where does this data come from?
First-name data comes from the Social Security Administration's national baby name files (1880 to 2024). Surname data comes from the 2010 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.