Girls' name · since 1880

Aileen

Aileen has 37,637 recorded births since 1880 in federal Social Security data, most heavily in 2009 -- full year-by-year trend, decade aggregates, and state rankings follow.

#721 of 72,339
all-time among girls
#799 of 17,297
2025 SSA year
37,637
born since 1880
2000s
peak decade

Aileen currently ranks #799 among girls' names in America, with 37,637 babies recorded since 1880.

Social Security Administration records show Aileen recorded 37,637 times among girls since 1880, holding rank #799 nationally today, ahead of 95% of girls, peaking in the 2000s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1880 to 2025.

  • #721 of 72,339 all-time among girls
  • #799 of 17,297 2025 SSA year
  • 37,637 born since 1880
  • 2000s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Aileen ranks #721 of 72,339 girls' names by all-time recorded births (highest first) and #799 of 17,297 among girls' names in 2025. 37,637 born since 1880, peaking in the 2000s.

#721 of 72,339
all-time among girls
#799 of 17,297
2025 SSA year
37,637
born since 1880
2000s
peak decade
0%100%Median name50%95.3%
Aileen vs. every other girls name in current SSA rankings
Upper archive tier
All-time archive position

Aileen's 37,637 recorded births place it above 99% of the 72,339 girls names in the full SSA archive.

45 jurisdictions
State-record footprint

45 jurisdictions carry state-level records, led by California.

How Aileen compares

37,637 Top 5% higher than 95% of 17,297 names currently given to girls

Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Aileen's all-time total is 100x the median girls name, and Olivia still leads by a wide margin.

Metric Aileen Median girls name (Kyann) #1 girls name (Olivia)
All-time total births 37,637 376 567,345
Peak-year births 685 21 19,840

Aileen's usage pattern, beyond the headline number

Aileen splits its recorded history at 1954: 65% of all births land in the more recent half, 35% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1880 (6 births) -- compare that against the 2009 peak of 685 for a sense of just how much the name's popularity has swung.

Aileen popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 1880–2025

Top 1,000 girls' name
Peak year (2009)
685
Annual births at peak, across 146 years of records
0200400600800 188019011919193719551973199120092025 340

Aileen popularity over time - boys

5 total births recorded since 2011 (Aileen as boys' name)

Unisex variant - 5 births
5 2011 5

Aileen by decade

2000s is the heaviest window (5,821 births, 15% of the file).

2000s was Aileen's strongest decade.

5,821 babies received the name during that ten-year window, about 15% of all-time use.

Aileen births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 5,821 births (15% of all-time use).

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

How Aileen 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 Aileen's total volume

Aileen vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%2%4%6%8%10% 050100150200 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 -146, 3.6%-138, 4%-84, 7.2%-146, 1.3%-146, 3.7%-146, 2.2%-63, 8.6%-85, 5.3%-146, 1.6%-115, 7.2%-51, 6.3%-81, 6%-145, 4.2%-146, 1.8%-81, 4.3%Aileen-146, 1.8%Aileen
Aileen vs 15 similarly-sized girls names

Aileen by state

Where Aileen concentrates geographically, total births since 1880

Regionally concentrated
Top 8 states by recorded births for the name Aileen
Rank State Visual share Births Share of total
#1 California
8,097 21.5%
#2 New York
3,774 10.0%
#3 Texas
3,549 9.4%
#4 Illinois
1,747 4.6%
#5 Pennsylvania
1,209 3.2%
#6 New Jersey
1,127 3.0%
#7 Florida
1,087 2.9%
#8 Michigan
797 2.1%
California share of Aileen's total US births 21.5%
Even split

8,097 of 37,637 births nationwide. Compared to a flat distribution across 45 reporting states.

Aileen appears in 45 states. Explore state details →

Frequently Asked Questions

How popular is the name Aileen?
Aileen has been given to 37,637 babies in the U.S. since 1880, according to SSA data. Its archive ordinal is #721 of 72,339 among girls' names (total births, highest first). Among girls in 2025, it is #799 of 17,297. 685 babies were born in 2009, its single highest year.
Where does Aileen sit in the SSA name archive?
According to the U.S. Social Security Administration, Aileen ranks #721 of 72,339 girls' names by all-time recorded births (highest first) and #799 of 17,297 among girls' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Aileen most popular?
Aileen was most popular in the 2000s decade with 5,821 total births. The single peak year was 2009.
Where is Aileen most popular?
The top states for the name Aileen are California (8,097 births), New York (3,774 births), Texas (3,549 births).
How long has the name Aileen been used?
Records for Aileen go back to 1880, giving 146 years of history through 2025.
What names are similar to Aileen?
Names with a similar sound or spelling include Ailany, Ailani, Ailyn, Aila, and 4 more. These share a common prefix and are also used for girls.

What to do with Aileen's data

  • Aileen's usage has stayed within range of its 2000s decade-level peak (5,821 total births) through the 2020s (2,323) -- a comparatively stable name, not a fading trend.
  • California records the most Aileens (8,097 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 Aileen

Nearby Names Like Aileen

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

Names with a similar popularity rank to Aileen

Nationwide names with similar peak year or record span

Two nationwide peer axes for Aileen: 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, 1880–2025 (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 Aileen 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.