Recorded 1915–2018 Girls' name Peak 1921 195 births

Eiko — girls' name

195 babies named Eiko in U.S. Social Security records since 1915, with the highest year being 1921. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s251920s931930s601940s51970s52010s7
1920s
Peak decade

48% of everyone ever named Eiko was born in this single decade.

1921
Single peak year

18 babies were named Eiko in 1921 — its busiest year on record.

What the Data Says About Eiko

The Social Security Administration has registered 195 babies named Eiko between 1915 and 2018, spanning 104 consecutive years of U.S. birth records. As a girl's name, Eiko currently falls outside the top 1,000 girls' names for 2018. The name reached its historical peak in 1921, when 18 babies received it in a single year.

Decade-level aggregation shows that Eiko performed strongest in the 1920s, accumulating 93 births during that ten-year window. Across the 6 decades of recorded activity, Eiko shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 54 births — the largest state-level total in the dataset — followed by Hawaii. In total, SSA state-level files list Eiko in 2 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Eiko in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 195 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Eiko at a glance

Last recorded 2018

Total births

195

Since 1915

104 years of records

Peak year

1921

18 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 2018

Active since

1915

Recorded for 104 years

Last year on file: 2018

Eiko popularity over time

Annual U.S. births registered with the Social Security Administration · 2018–1915

Last recorded 2018
Peak year (1921)
18
Annual births at peak — across 104 years of records
05101520 201819381933193019261923192019171915 7

Eiko by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 1920s
Peak decade
1920s
93 births that decade — 48% of Eiko's all-time total
1910s251920s931930s601940s51970s52010s7

Eiko by state

Where Eiko concentrates geographically — total births since 1915

Regionally concentrated
Top 2 states by recorded births for the name Eiko
Rank State Visual share Births Share of total
#1 California
54 27.7%
#2 Hawaii
25 12.8%
California share of Eiko's total US births 27.7%
Even split

54 of 195 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Eiko?
195 babies have been named Eiko since 1915. It was last recorded in 2018. The peak year was 1921 with 18 births.
When was Eiko most popular?
Eiko was most popular in the 1920s decade with 93 total births. The single peak year was 1921.
Where is Eiko most popular?
The top states for the name Eiko are California (54 births), Hawaii (25 births).
How long has the name Eiko been used?
Eiko has been recorded in Social Security data since 1915, spanning 104 years of data through 2018.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1915–2018 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.