Boris Karloff
There are approximately 1 people named Boris Karloff 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 Boris with Census Bureau frequency data for the surname Karloff. 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 Boris
3.5K
Alive today
Named Karloff
137
Alive today
US population
343M
Denominator
Estimated living: 3.5K
Rarity: Rare
Gender: Male
Peak year: 1970
Average age: 38
Estimated bearers: 137
Rarity: Very Rare
Census rank: #152,628
Per 100K: 0.04
Top ancestry: White (98.1%)
First name trend
Boris: popularity over time
Year-by-year SSA birth registrations for the first name Boris. The peak year was 1970 with 82 births. The average person named Boris today is 38 years old.
Babies born per year
Ethnicity
Ancestry of the Karloff surname
Self-reported race and ethnicity breakdown for people with the surname Karloff, from the 2010 US Census Bureau. The largest group is White at 98.1%.
- White98.1%
- Unknown or suppressed1.9%
Methodology
How we calculated this
The first name Boris has a living-bearer frequency of 0.0010% of the US population, based on 3,531 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Karloff 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 Boris Karloff. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Boris
FAQ
Boris Karloff: questions and answers
How many people are named Boris Karloff?
We estimate approximately 1 people in the United States share the full name Boris Karloff. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0010%) with the surname frequency (0.04 per 100K) against the current US population.
How rare is the name Boris Karloff?
We classify Boris Karloff as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Boris a male or female name?
Boris is predominantly male. Out of 4,584 total SSA registrations, 100.0% were male and 0.0% were female. See the full Boris 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.