How Many People Are Named Eiko?
An estimated 22 people in the United States have the first name Eiko. It is almost exclusively a female name. The average bearer is 58 years old, and Eiko peaked in popularity in 1921 with 18 births that year.
Below you will find a full statistical profile of Eiko 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 Eiko paired with any surname.
Key Insights
- Eiko is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
22
About 1 in 15,579,743 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
58
years old
Peak Year
1921
18 births
Total Registered
195
since 1880
Gender Distribution for Eiko
Eiko is almost exclusively a female name. Out of 195 total births registered, 100.0% were female.
Eiko as a female name
Ranked #12,850 in 2018
7 female births in 2018
Peak: 1921 (18 births)
Eiko: Popularity Over Time
SSA records for Eiko span from the 1910s to the 2010s, covering 6 decades of naming data. The most popular decade for this name was the 1920s, when 93 babies were registered. Eiko has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Eiko by Decade
How has Eiko 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.
Eiko by State
Eiko + Last Name Combinations
How many people share a full name with Eiko as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Eiko
Other first names starting with E with a similar number of bearers.
Eiko: Questions and Answers
How many people in the U.S. are named Eiko?
We estimate approximately 22 people named Eiko 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 15,579,743 Americans share this first name.
Is Eiko a common name?
Eiko is classified as "Very Rare" and is more popular than 41.6% of all first names in the SSA database. A total of 195 births have been registered with this name since 1880.
When was Eiko most popular?
Eiko reached peak popularity in 1921, when 18 babies were given this name. The average age of a living person named Eiko is approximately 58 years old, reflecting when the name was most commonly given.
Is Eiko a female name?
Eiko is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Eiko Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Eiko Smith, Eiko Johnson, Eiko 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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