US rank #13480 Girls' name Peak 1924 2,152 births

Ileen — #13480 US girls' name

2,152 babies named Ileen in U.S. Social Security records since 1895, with the highest year being 1924. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1890s51900s201910s2011920s4221930s2361940s2711950s2081960s1481970s611980s791990s1132000s2242010s1432020s21
#13480
of 17,661 girls in use

More common than 24% of names given to girls today.

1920s
Peak decade

20% of everyone ever named Ileen was born in this single decade.

1924
Single peak year

51 babies were named Ileen in 1924 — its busiest year on record.

What the Data Says About Ileen

The Social Security Administration has registered 2,152 babies named Ileen between 1895 and 2024, spanning 130 consecutive years of U.S. birth records. As a girl's name, Ileen currently holds the #13480 rank among girls for 2024. The name reached its historical peak in 1924, when 51 babies received it in a single year.

Decade-level aggregation shows that Ileen performed strongest in the 1920s, accumulating 422 births during that ten-year window. Across the 14 decades of recorded activity, Ileen shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 266 births — the largest state-level total in the dataset — followed by New York and Texas. In total, SSA state-level files list Ileen in 10 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Ileen 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 2,152 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.

Ileen at a glance

Outside the top 1,000

Total births

2,152

Since 1895

130 years of records

Peak year

1924

51 births that year

Strongest decade: 1920s

Current rank

#13,480

Among girls

As of 2024

Active since

1895

Recorded for 130 years

Last year on file: 2024

Ileen popularity over time

Annual U.S. births registered with the Social Security Administration · 2024–1895

Outside the top 1,000
Peak year (1924)
51
Annual births at peak — across 130 years of records
0204060 202420071993197719611947193319191895 5

Ileen by decade

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

Peak: 1920s
Peak decade
1920s
422 births that decade — 20% of Ileen's all-time total
1890s51900s201910s2011920s4221930s2361940s2711950s2081960s1481970s611980s791990s1132000s2242010s1432020s21

Ileen by state

Where Ileen concentrates geographically — total births since 1895

Geographically diffuse
Top 8 states by recorded births for the name Ileen
Rank State Visual share Births Share of total
#1 California
266 12.4%
#2 New York
48 2.2%
#3 Texas
41 1.9%
#4 Michigan
37 1.7%
#5 Utah
21 1.0%
#6 Missouri
12 0.6%
#7 Ohio
11 0.5%
#8 Iowa
8 0.4%
California share of Ileen's total US births 12.4%
Even split

266 of 2,152 births nationwide. Compared to a flat distribution across 10 reporting states.

Ileen appears in 10 states. Explore state details →

Frequently Asked Questions

How popular is the name Ileen?
2,152 babies have been named Ileen since 1895. It currently ranks #13480 among girls. The peak year was 1924 with 51 births.
When was Ileen most popular?
Ileen was most popular in the 1920s decade with 422 total births. The single peak year was 1924.
Where is Ileen most popular?
The top states for the name Ileen are California (266 births), New York (48 births), Texas (41 births).
How long has the name Ileen been used?
Ileen has been recorded in Social Security data since 1895, spanning 130 years of data through 2024.
What names are similar to Ileen?
Names with a similar sound or spelling include Ilene, Ileana, Ilean, Ilena, and 4 more. These share a common prefix and are also used for girls.

Keep exploring Ileen

Nearby Names Like Ileen

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

Names with a similar popularity rank to Ileen

Baby Name Guides

Learn more about naming trends and how to use data to choose a name

Explore more names

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, 1895–2024 (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.