How Many People Are Named Katharina Williams?
There are approximately 10 people named Katharina Williams living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 34,275,434 Americans.
This estimate combines SSA birth records for the first name Katharina with Census Bureau frequency data for the surname Williams. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
10
1 in 34,275,434 Americans
Combination Rarity
Rare
First Name
View full profileKatharina
Last Name
View full profileWilliams
Katharina: Popularity Over Time
Year-by-year SSA birth registrations for the first name Katharina. The peak year was 1991 with 58 births. The average person named Katharina today is 35 years old.
Ancestry of the Williams Surname
Self-reported race and ethnicity breakdown for people with the surname Williams, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Katharina" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Williams" appears at a rate of 550.97 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 10 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Katharina
Other people with the surname Williams
Katharina Williams: Questions and Answers
How many people are named Katharina Williams?
We estimate approximately 10 people named Katharina Williams are alive in the United States today. The first name Katharina is shared by 1,765 Americans, and the surname Williams is shared by 1,888,474.
How rare is the name Katharina Williams?
This name combination is classified as Rare, occurring at a rate of about 1 in 34,275,434 Americans. The first name Katharina is rare and the surname Williams is very common.
Is Katharina a male or female name?
Katharina is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 1991 and the average bearer today is 35 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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