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.

#11,817 of 72,339
all-time among girls
503
born since 1915
1920s
peak 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.

  • #11,817 of 72,339 all-time among girls
  • 503 born since 1915
  • 1920s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Eilleen ranks #11,817 of 72,339 girls' names by all-time recorded births (highest first). 503 born since 1915, peaking in the 1920s.

#11,817 of 72,339
all-time among girls
503
born since 1915
1920s
peak decade
Above the archive median
All-time archive position

Eilleen's 503 recorded births place it above 83.65% of the 72,339 girls names in the full SSA archive.

2 jurisdictions
State-record footprint

The state file records this name in 2 jurisdictions, led by California.

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 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

1920s is the heaviest window (105 births, 21% of the file).

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 August 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 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 -55, 13.1%-55, 8.5%-24, 8%-47, 5%-53, 5.4%-31, 6.2%-87, 3.2%-15, 55.8%-27, 12.1%-38, 7.9%-23, 10.8%-28, 8.6%-23, 10%-45, 4.8%-38, 5%Eilleen-104, 3.2%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. All-time, it sits at #11,817 of 72,339 girls' names by recorded births. It was last recorded in 2018. The peak year was 1916 with 16 births.
Where does Eilleen sit in the SSA name archive?
According to the U.S. Social Security Administration, Eilleen ranks #11,817 of 72,339 girls' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
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

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

Keep exploring Eilleen

Nearby Names Like Eilleen

Names with a similar sound, spelling, or feel to Eilleen

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Eilleen: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 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).

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 August 2026.