Girls' name · since 1915

Eilleen

Since 1915, U.S. Social Security records show 503 babies named Eilleen, peaking in 1916. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

503
total births
1915–2018
years on record
1920s
peak decade
21%
born in that decade

Eilleen sits outside today's top ranks for girls, with 503 recorded since 1915.

According to the U.S. Social Security Administration, Eilleen has been recorded 503 times among girls since 1915, though it is not among the currently most-used girls names, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1915 to 2018.

  • 503 total births
  • 1915–2018 years on record
  • 1920s peak decade
  • 21% born in that decade

Data updated Jun 2026

The verdict

503 girls have been named Eilleen since 1915, peaking in the 1920s, last recorded in 2018.

503
total births
1915–2018
years on record
1920s
peak decade
21%
born in that decade
1920s
Peak decade

21% of everyone ever named Eilleen was born in this single decade.

1916
Single peak year

16 babies were named Eilleen in 1916 - its busiest year on record.

Eilleen's usage pattern, beyond the headline number

Divide Eilleen's SSA record in two at 1952 and the more recent half accounts for 43% of all births, the earlier half the remaining 57%, a genuinely balanced usage pattern. Its calmest year was 1915, with only 5 births recorded -- set against the 1916 peak of 16, that's the full swing in one name's fortunes.

Eilleen at a glance

Last recorded 2018

Total births

503

Since 1915

104 years of records

Peak year

1916

16 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

Eilleen popularity over time

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

Last recorded 2018
Peak year (1916)
16
Annual births at peak, across 104 years of records
05101520 191519231931194319541962197620042018 6

Eilleen by decade

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

1920s was Eilleen's strongest decade.

105 babies received the name during that ten-year window, about 21% of all-time use.

Eilleen births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 105 births (21% of all-time use).

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

How Eilleen compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Eilleen's total volume

Eilleen vs 15 similarly-sized girls names

Eilleen vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%20%40%60% 020406080100120 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Eilleen
Eilleen vs 15 similarly-sized girls names

Eilleen by state

Where Eilleen concentrates geographically, total births since 1915

Geographically diffuse
Top 2 states by recorded births for the name Eilleen
Rank State Visual share Births Share of total
#1 California
5 1.0%
#2 Pennsylvania
5 1.0%
California share of Eilleen's total US births 1.0%
Even split

5 of 503 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Eilleen?
503 babies have been named Eilleen since 1915. It was last recorded in 2018. The peak year was 1916 with 16 births.
When was Eilleen most popular?
Eilleen was most popular in the 1920s decade with 105 total births. The single peak year was 1916.
Where is Eilleen most popular?
The top states for the name Eilleen are California (5 births), Pennsylvania (5 births).
How long has the name Eilleen been used?
Eilleen has been recorded in Social Security data since 1915, spanning 104 years of data through 2018.
What names are similar to Eilleen?
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 Eilleen's data

  • Eilleen's decade-level peak was the 1920s (105 total births); usage has since declined to 16 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Eilleens (5 births) -- see the full state breakdown if geography matters to your decision. California names
  • 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 June 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, 1915–2018 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Eilleen: Baby Name Since 1915 - 503 Births, Peak 1916." NameAlmanac. Accessed via https://namealmanac.com/name/eilleen. 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 Eilleen 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 June 2026.