Karen Grassle
There are approximately 1 people named Karen Grassle 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 Karen with Census Bureau frequency data for the surname Grassle. 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 Karen
724K
Alive today
Named Grassle
137
Alive today
US population
343M
Denominator
Estimated living: 724K
Rarity: Very Common
Gender: Female
Peak year: 1957
Average age: 62
Estimated bearers: 137
Rarity: Very Rare
Census rank: #156,044
Per 100K: 0.04
Top ancestry: White (99.0%)
First name trend
Karen: popularity over time
Year-by-year SSA birth registrations for the first name Karen. The peak year was 1957 with 40,667 births. The average person named Karen today is 62 years old.
Babies born per year
Ethnicity
Ancestry of the Grassle surname
Self-reported race and ethnicity breakdown for people with the surname Grassle, from the 2010 US Census Bureau. The largest group is White at 99.0%.
- White99.0%
- Unknown or suppressed1.0%
Methodology
How we calculated this
The first name Karen has a living-bearer frequency of 0.2112% of the US population, based on 723,738 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Grassle appears at a rate of 0.04 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0000%.
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 Karen Grassle. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Karen
FAQ
Karen Grassle: questions and answers
How many people are named Karen Grassle?
We estimate approximately 1 people in the United States share the full name Karen Grassle. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.2112%) with the surname frequency (0.04 per 100K) against the current US population.
How rare is the name Karen Grassle?
We classify Karen Grassle as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Karen a male or female name?
Karen is predominantly female. Out of 990,595 total SSA registrations, 0.3% were male and 99.7% were female. See the full Karen 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.