How Many People Are Named Hideko?
An estimated 14 people in the United States have the first name Hideko. It is almost exclusively a female name. The average bearer is 92 years old, and Hideko peaked in popularity in 1922 with 26 births that year.
Below you will find a full statistical profile of Hideko 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 Hideko paired with any surname.
Key Insights
- With an average bearer age of 92, Hideko is a vintage name most associated with earlier generations. Most living bearers were born before 1944.
- Hideko is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
14
About 1 in 24,482,453 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
92
years old
Peak Year
1922
26 births
Total Registered
338
since 1880
Gender Distribution for Hideko
Hideko is almost exclusively a female name. Out of 338 total births registered, 100.0% were female.
Hideko as a female name
Ranked #3,617 in 1943
8 female births in 1943
Peak: 1922 (26 births)
Hideko: Popularity Over Time
SSA records for Hideko span from the 1910s to the 1940s, covering 4 decades of naming data. The most popular decade for this name was the 1920s, when 216 babies were registered. Hideko has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Hideko by Decade
How has Hideko 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.
Hideko by State
Hideko + Last Name Combinations
How many people share a full name with Hideko as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Hideko
Other first names starting with H with a similar number of bearers.
Hideko: Questions and Answers
How many people in the U.S. are named Hideko?
We estimate approximately 14 people named Hideko 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 24,482,453 Americans share this first name.
Is Hideko a common name?
Hideko is classified as "Very Rare" and is more popular than 34% of all first names in the SSA database. A total of 338 births have been registered with this name since 1880.
When was Hideko most popular?
Hideko reached peak popularity in 1922, when 26 babies were given this name. The average age of a living person named Hideko is approximately 92 years old, reflecting when the name was most commonly given.
Is Hideko a female name?
Hideko is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Hideko Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Hideko Smith, Hideko Johnson, Hideko 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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