How Many People Are Named Kathy?
An estimated 247,668 people in the United States have the first name Kathy. While not in the top 50, it remains a well-known name ranking #205 overall. It is almost exclusively a female name. The average bearer is 65 years old, and Kathy peaked in popularity in 1958 with 23,985 births that year.
Below you will find a full statistical profile of Kathy 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 Kathy paired with any surname.
Key Insights
- While Kathy is overwhelmingly female, 739 male births have been registered with this name since 1880.
- Kathy has fallen dramatically from its peak in the 1950s. Recent registrations are less than 5% of what they were at the name's height.
Estimated Living Americans
247,668
About 1 in 1,384 people in the U.S.
Rarity
Common
Predicted Gender
Female
99.8% confidence
Average Age
65
years old
Peak Year
1958
23,985 births
Total Registered
334,823
since 1880
Gender Distribution for Kathy
Kathy is almost exclusively a female name. Out of 334,823 total births registered, 99.8% were female.
Kathy as a male name
Ranked #7,908 in 1988
5 male births in 1988
Peak: 1957 (50 births)
Kathy as a female name
Ranked #2,701 in 2024
64 female births in 2024
Peak: 1958 (23,940 births)
Kathy: Popularity Over Time
SSA records for Kathy span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 1950s, when 158,226 babies were registered. Kathy has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Kathy by Decade
How has Kathy 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.
Kathy by State
Birth registrations for Kathy span all 51 states and territories in the SSA database. The highest counts are in California, Ohio, Texas. The lowest are in Alaska, Nevada, Wyoming. On average, about 6,492 Kathys were registered per state.
Kathy + Last Name Combinations
How many people share a full name with Kathy as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kathy
Other first names starting with K with a similar number of bearers.
Kathy: Questions and Answers
How many people in the U.S. are named Kathy?
We estimate approximately 247,668 people named Kathy 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 1,384 Americans share this first name.
Is Kathy a common name?
Kathy is classified as "Common" and is more popular than 99.8% of all first names in the SSA database. A total of 334,823 births have been registered with this name since 1880.
When was Kathy most popular?
Kathy reached peak popularity in 1958, when 23,985 babies were given this name. The average age of a living person named Kathy is approximately 65 years old, reflecting when the name was most commonly given.
Is Kathy a female name?
Kathy is predominantly female. 99.8% of people with this name are female. See the gender breakdown above for full details.
How many Kathy Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kathy Smith, Kathy Johnson, Kathy 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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