How Many People Are Named Katsuko?
An estimated 1 people in the United States have the first name Katsuko. It is almost exclusively a female name. The average bearer is 109 years old, and Katsuko peaked in popularity in 1929 with 8 births that year.
Below you will find a full statistical profile of Katsuko 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 Katsuko paired with any surname.
Key Insights
- With an average bearer age of 109, Katsuko is a vintage name most associated with earlier generations. Most living bearers were born before 1927.
- Katsuko is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
1
About 1 in 342,754,338 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
109
years old
Peak Year
1929
8 births
Total Registered
49
since 1880
Gender Distribution for Katsuko
Katsuko is almost exclusively a female name. Out of 49 total births registered, 100.0% were female.
Katsuko as a female name
Ranked #4,905 in 1930
5 female births in 1930
Peak: 1929 (8 births)
Katsuko: Popularity Over Time
SSA records for Katsuko span from the 1910s to the 1930s, covering 3 decades of naming data. The most popular decade for this name was the 1920s, when 38 babies were registered. Katsuko has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Katsuko by Decade
How has Katsuko 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.
Katsuko by State
Katsuko + Last Name Combinations
How many people share a full name with Katsuko as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Katsuko
Other first names starting with K with a similar number of bearers.
Katsuko: Questions and Answers
How many people in the U.S. are named Katsuko?
We estimate approximately 1 people named Katsuko 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 342,754,338 Americans share this first name.
Is Katsuko a common name?
Katsuko is classified as "Very Rare" and is more popular than 3.8% of all first names in the SSA database. A total of 49 births have been registered with this name since 1880.
When was Katsuko most popular?
Katsuko reached peak popularity in 1929, when 8 babies were given this name. The average age of a living person named Katsuko is approximately 109 years old, reflecting when the name was most commonly given.
Is Katsuko a female name?
Katsuko is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Katsuko Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Katsuko Smith, Katsuko Johnson, Katsuko 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.
Search for a full name combination
How Many of Me