Girls' name · since 1921

Eillen

Eillen has 28 recorded births since 1921 in federal Social Security data, most heavily in 1921 -- full year-by-year trend, decade aggregates, and state rankings follow.

28
total births
1921–1969
years on record
1920s
peak decade
79%
born in that decade

Eillen is not among the current top-ranked girls names; 28 have been recorded since 1921.

Eillen has 28 recorded births among girls since 1921, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1921 to 1969.

  • 28 total births
  • 1921–1969 years on record
  • 1920s peak decade
  • 79% born in that decade

Data updated Jul 2026

The verdict

28 girls have been named Eillen since 1921, peaking in the 1920s, last recorded in 1969.

28
total births
1921–1969
years on record
1920s
peak decade
79%
born in that decade
1920s
Peak decade

79% of everyone ever named Eillen was born in this single decade.

1921
Single peak year

7 babies were named Eillen in 1921 - its busiest year on record.

Eillen's usage pattern, beyond the headline number

Divide Eillen's SSA record in two at 1926 and the more recent half accounts for 57% of all births, the earlier half the remaining 43%, a genuinely balanced usage pattern. Its calmest year was 1925, with only 5 births recorded -- set against the 1921 peak of 7, that's the full swing in one name's fortunes.

Eillen at a glance

Last recorded 1969

Total births

28

Since 1921

49 years of records

Peak year

1921

7 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1969

Active since

1921

Recorded for 49 years

Last year on file: 1969

Eillen popularity over time

Annual U.S. births registered with the Social Security Administration · 1921–1969

Last recorded 1969
Peak year (1921)
7
Annual births at peak, across 49 years of records
4.555.566.577.5 19211925192619281969 6

Eillen by decade

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

1920s was Eillen's strongest decade.

22 babies received the name during that ten-year window, about 79% of all-time use.

Eillen births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 22 births (79% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Frequently Asked Questions

How popular is the name Eillen?
28 babies have been named Eillen since 1921. It was last recorded in 1969. The peak year was 1921 with 7 births.
When was Eillen most popular?
Eillen was most popular in the 1920s decade with 22 total births. The single peak year was 1921.
How long has the name Eillen been used?
The SSA has tracked Eillen since 1921 -- 49 years through the most recent 1969 data.
What names are similar to Eillen?
Names with a similar sound or spelling include Eileen, Eilene, Eila, Eiley, and 4 more. These share a common prefix and are also used for girls.

What to do with Eillen's data

  • Eillen's decade-level peak was the 1920s (22 total births); usage has since declined to 6 in the 1960s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Weighing it against an alternative? Put two names side by side. Compare names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Data Sources

Data as of July 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1921–1969 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Eillen: Baby Name Since 1921 - 28 Births, Peak 1921." NameAlmanac. Accessed via https://namealmanac.com/name/eillen. Licensed CC BY-SA 4.0.

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Eillen draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.