Recorded 1884–1958 Girls' name Peak 1921 667 births

Ethlyn — girls' name

667 babies named Ethlyn in U.S. Social Security records since 1884, with the highest year being 1921. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1880s51890s101900s471910s1771920s2181930s1151940s711950s24
1920s
Peak decade

33% of everyone ever named Ethlyn was born in this single decade.

1921
Single peak year

34 babies were named Ethlyn in 1921 — its busiest year on record.

What the Data Says About Ethlyn

The Social Security Administration has registered 667 babies named Ethlyn between 1884 and 1958, spanning 75 consecutive years of U.S. birth records. As a girl's name, Ethlyn currently falls outside the top 1,000 girls' names for 1958. The name reached its historical peak in 1921, when 34 babies received it in a single year.

Decade-level aggregation shows that Ethlyn performed strongest in the 1920s, accumulating 218 births during that ten-year window. Across the 8 decades of recorded activity, Ethlyn shows a clear decline from its mid-century high. Geographically, the name is most concentrated in New York, which accounts for 5 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Ethlyn in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Ethlyn 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 667 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.

Ethlyn at a glance

Last recorded 1958

Total births

667

Since 1884

75 years of records

Peak year

1921

34 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1958

Active since

1884

Recorded for 75 years

Last year on file: 1958

Ethlyn popularity over time

Annual U.S. births registered with the Social Security Administration · 1958–1884

Last recorded 1958
Peak year (1921)
34
Annual births at peak — across 75 years of records
010203040 195819441937193019231916190818951884 5

Ethlyn by decade

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

Peak: 1920s
Peak decade
1920s
218 births that decade — 33% of Ethlyn's all-time total
1880s51890s101900s471910s1771920s2181930s1151940s711950s24

Ethlyn by state

Where Ethlyn concentrates geographically — total births since 1884

Geographically diffuse
Top 1 states by recorded births for the name Ethlyn
Rank State Visual share Births Share of total
#1 New York
5 0.7%
New York share of Ethlyn's total US births 0.7%

5 of 667 births nationwide.

Frequently Asked Questions

How popular is the name Ethlyn?
667 babies have been named Ethlyn since 1884. It was last recorded in 1958. The peak year was 1921 with 34 births.
When was Ethlyn most popular?
Ethlyn was most popular in the 1920s decade with 218 total births. The single peak year was 1921.
Where is Ethlyn most popular?
The top states for the name Ethlyn are New York (5 births).
How long has the name Ethlyn been used?
Ethlyn has been recorded in Social Security data since 1884, spanning 75 years of data through 1958.
What names are similar to Ethlyn?
Names with a similar sound or spelling include Ethel, Ethelyn, Ethyl, Ethelene, and 4 more. These share a common prefix and are also used for girls.

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, 1884–1958 (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.