Seth Kearsley
There are approximately 1 people named Seth Kearsley 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 Seth with Census Bureau frequency data for the surname Kearsley. 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 Seth
157K
Alive today
Named Kearsley
548
Alive today
US population
343M
Denominator
Estimated living: 157K
Rarity: Common
Gender: Male
Peak year: 2000
Average age: 31
Estimated bearers: 548
Rarity: Very Rare
Census rank: #45,653
Per 100K: 0.16
Top ancestry: White (85.7%)
First name trend
Seth: popularity over time
Year-by-year SSA birth registrations for the first name Seth. The peak year was 2000 with 6,725 births. The average person named Seth today is 31 years old.
Babies born per year
Ethnicity
Ancestry of the Kearsley surname
Self-reported race and ethnicity breakdown for people with the surname Kearsley, from the 2010 US Census Bureau. The largest group is White at 85.7%.
- White85.7%
- Two or more races6.4%
- Black or African American4.7%
- Hispanic or Latino2.8%
Methodology
How we calculated this
The first name Seth has a living-bearer frequency of 0.0459% of the US population, based on 157,417 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Kearsley appears at a rate of 0.16 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0002%.
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 Seth Kearsley. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Seth
FAQ
Seth Kearsley: questions and answers
How many people are named Seth Kearsley?
We estimate approximately 1 people in the United States share the full name Seth Kearsley. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0459%) with the surname frequency (0.16 per 100K) against the current US population.
How rare is the name Seth Kearsley?
We classify Seth Kearsley as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Seth a male or female name?
Seth is predominantly male. Out of 165,768 total SSA registrations, 99.7% were male and 0.3% were female. See the full Seth 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.