Jeff Farnsworth
There are approximately 4 people named Jeff Farnsworth living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 85,688,585 Americans.
This estimate combines SSA birth records for the first name Jeff with Census Bureau frequency data for the surname Farnsworth. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
4
1 in 85,688,585
Named Jeff
95K
Alive today
Named Farnsworth
14K
Alive today
US population
343M
Denominator
Estimated living: 95K
Rarity: Uncommon
Gender: Male
Peak year: 1961
Average age: 61
Estimated bearers: 14K
Rarity: Uncommon
Census rank: #2,939
Per 100K: 4.14
Top ancestry: White (95.0%)
First name trend
Jeff: popularity over time
Year-by-year SSA birth registrations for the first name Jeff. The peak year was 1961 with 9,473 births. The average person named Jeff today is 61 years old.
Babies born per year
Ethnicity
Ancestry of the Farnsworth surname
Self-reported race and ethnicity breakdown for people with the surname Farnsworth, from the 2010 US Census Bureau. The largest group is White at 95.0%.
- White95.0%
- Hispanic or Latino2.4%
- Two or more races1.3%
- Asian and Pacific Islander0.5%
- Black or African American0.5%
- American Indian and Alaska Native0.4%
Methodology
How we calculated this
The first name Jeff has a living-bearer frequency of 0.0278% of the US population, based on 95,388 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Farnsworth appears at a rate of 4.14 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0041%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 4 people with the full name Jeff Farnsworth. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Jeff
FAQ
Jeff Farnsworth: questions and answers
How many people are named Jeff Farnsworth?
We estimate approximately 4 people in the United States share the full name Jeff Farnsworth. That works out to about 1 in 85,688,585 Americans. This is calculated by combining the first-name frequency (0.0278%) with the surname frequency (4.14 per 100K) against the current US population.
How rare is the name Jeff Farnsworth?
We classify Jeff Farnsworth as "Very Rare". About 1 in 85,688,585 Americans share this exact first and last name combination.
Is Jeff a male or female name?
Jeff is predominantly male. Out of 120,475 total SSA registrations, 99.8% were male and 0.2% were female. See the full Jeff 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.