How Many People Are Named Tatsuko?
An estimated 1 people in the United States have the first name Tatsuko. It is almost exclusively a female name. The average bearer is 70 years old, and Tatsuko peaked in popularity in 1916 with 14 births that year.
Below you will find a full statistical profile of Tatsuko 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 Tatsuko paired with any surname.
Key Insights
- With an average bearer age of 70, Tatsuko is a vintage name most associated with earlier generations. Most living bearers were born before 1966.
- Tatsuko 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
70
years old
Peak Year
1916
14 births
Total Registered
39
since 1880
Gender Distribution for Tatsuko
Tatsuko is almost exclusively a female name. Out of 39 total births registered, 100.0% were female.
Tatsuko as a female name
Ranked #3,140 in 1928
10 female births in 1928
Peak: 1916 (14 births)
Tatsuko: Popularity Over Time
SSA records for Tatsuko span from the 1910s to the 1920s, covering 2 decades of naming data. The most popular decade for this name was the 1920s, when 20 babies were registered. Tatsuko remains highly popular today, with recent registration numbers near its historical peak.
Tatsuko by Decade
How has Tatsuko 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.
Tatsuko by State
Tatsuko + Last Name Combinations
How many people share a full name with Tatsuko as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Tatsuko
Other first names starting with T with a similar number of bearers.
Tatsuko: Questions and Answers
How many people in the U.S. are named Tatsuko?
We estimate approximately 1 people named Tatsuko 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 Tatsuko a common name?
Tatsuko is classified as "Very Rare" and is more popular than 3.8% of all first names in the SSA database. A total of 39 births have been registered with this name since 1880.
When was Tatsuko most popular?
Tatsuko reached peak popularity in 1916, when 14 babies were given this name. The average age of a living person named Tatsuko is approximately 70 years old, reflecting when the name was most commonly given.
Is Tatsuko a female name?
Tatsuko is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Tatsuko Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Tatsuko Smith, Tatsuko Johnson, Tatsuko 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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