How Many People Are Named Hideo?
An estimated 44 people in the United States have the first name Hideo. It is almost exclusively a male name. The average bearer is 94 years old, and Hideo peaked in popularity in 1925 with 62 births that year.
Below you will find a full statistical profile of Hideo 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 Hideo paired with any surname.
Key Insights
- With an average bearer age of 94, Hideo is a vintage name most associated with earlier generations. Most living bearers were born before 1942.
- Hideo is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
44
About 1 in 7,789,871 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
94
years old
Peak Year
1925
62 births
Total Registered
805
since 1880
Gender Distribution for Hideo
Hideo is almost exclusively a male name. Out of 805 total births registered, 100.0% were male.
Hideo as a male name
Ranked #3,269 in 1944
6 male births in 1944
Peak: 1925 (62 births)
Hideo: Popularity Over Time
SSA records for Hideo span from the 1910s to the 1940s, covering 4 decades of naming data. The most popular decade for this name was the 1920s, when 426 babies were registered. Hideo has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Hideo by Decade
How has Hideo 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.
Hideo by State
Birth registrations for Hideo span all 3 states and territories in the SSA database. The highest counts are in Hawaii, California, Washington. The lowest are in Washington, California, Hawaii. On average, about 224 Hideos were registered per state.
Hideo + Last Name Combinations
How many people share a full name with Hideo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Hideo
Other first names starting with H with a similar number of bearers.
Hideo: Questions and Answers
How many people in the U.S. are named Hideo?
We estimate approximately 44 people named Hideo 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 7,789,871 Americans share this first name.
Is Hideo a common name?
Hideo is classified as "Very Rare" and is more popular than 52.4% of all first names in the SSA database. A total of 805 births have been registered with this name since 1880.
When was Hideo most popular?
Hideo reached peak popularity in 1925, when 62 babies were given this name. The average age of a living person named Hideo is approximately 94 years old, reflecting when the name was most commonly given.
Is Hideo a male name?
Hideo is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Hideo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Hideo Smith, Hideo Johnson, Hideo 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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