How Many People Are Named Kathi?
An estimated 7,551 people in the United States have the first name Kathi. It is almost exclusively a female name. The average bearer is 65 years old, and Kathi peaked in popularity in 1958 with 825 births that year.
Below you will find a full statistical profile of Kathi as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Kathi paired with any surname.
Key Insights
- With an average bearer age of 65, Kathi is a vintage name most associated with earlier generations. Most living bearers were born before 1971.
Estimated Living Americans
7,551
About 1 in 45,392 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
65
years old
Peak Year
1958
825 births
Total Registered
10,109
since 1880
Gender Distribution for Kathi
Kathi is almost exclusively a female name. Out of 10,109 total births registered, 100.0% were female.
Kathi as a female name
Ranked #16,614 in 2001
5 female births in 2001
Peak: 1958 (825 births)
Kathi: Popularity Over Time
SSA records for Kathi span from the 1930s to the 2000s, covering 8 decades of naming data. The most popular decade for this name was the 1950s, when 4,863 babies were registered. Kathi has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Kathi by Decade
How has Kathi tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Kathi by State
Birth registrations for Kathi span all 47 states and territories in the SSA database. The highest counts are in California, New York, Ohio. The lowest are in Wyoming, Vermont, South Dakota. On average, about 170 Kathis were registered per state.
Kathi + Last Name Combinations
How many people share a full name with Kathi as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kathi
Other first names starting with K with a similar number of bearers.
Kathi: Questions and Answers
How many people in the U.S. are named Kathi?
We estimate approximately 7,551 people named Kathi are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 45,392 Americans share this first name.
Is Kathi a common name?
Kathi is classified as "Rare" and is more popular than 97.3% of all first names in the SSA database. A total of 10,109 births have been registered with this name since 1880.
When was Kathi most popular?
Kathi reached peak popularity in 1958, when 825 babies were given this name. The average age of a living person named Kathi is approximately 65 years old, reflecting when the name was most commonly given.
Is Kathi a female name?
Kathi is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kathi Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kathi Smith, Kathi Johnson, Kathi Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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