US rank #436 Boys' name Peak 1990 423,036 births

Sean — #436 US boys' name

423,036 babies named Sean in U.S. Social Security records since 1925, with the highest year being 1990. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1920s121930s1011940s6591950s54521960s472841970s838431980s1038751990s920012000s641312010s215342020s4144
#436
of 14,243 boys in use

More common than 97% of names given to boys today.

1980s
Peak decade

25% of everyone ever named Sean was born in this single decade.

1990
Single peak year

12,018 babies were named Sean in 1990 — its busiest year on record.

What the Data Says About Sean

The Social Security Administration has registered 423,036 babies named Sean between 1925 and 2024, spanning 100 consecutive years of U.S. birth records. As a boy's name, Sean currently holds the #436 rank among boys for 2024. The name reached its historical peak in 1990, when 12,018 babies received it in a single year.

Decade-level aggregation shows that Sean performed strongest in the 1980s, accumulating 103,875 births during that ten-year window. Across the 11 decades of recorded activity, Sean shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 57,666 births — the largest state-level total in the dataset — followed by New York and Pennsylvania. In total, SSA state-level files list Sean in 51 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Sean 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 423,036 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.

Sean at a glance

Top 1,000 boys' name

Total births

423,036

Since 1925

100 years of records

Peak year

1990

12,018 births that year

Strongest decade: 1980s

Current rank

#436

Among boys

As of 2024

Active since

1925

Recorded for 100 years

Last year on file: 2024

Sean popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 2024–1925

Top 1,000 boys' name
Peak year (1990)
12,018
Annual births at peak — across 100 years of records
-5,00005,00010,00015,000 202420122000198819761964195219401925 7

Sean popularity over time — girls

2,962 total births recorded since 1939 (Sean as girls' name)

Unisex variant — 2,962 births
050100150 202420081998198819781968195819471939 5

Sean by decade

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

Peak: 1980s
Peak decade
1980s
103,875 births that decade — 25% of Sean's all-time total
1920s121930s1011940s6591950s54521960s472841970s838431980s1038751990s920012000s641312010s215342020s4144

Sean by state

Where Sean concentrates geographically — total births since 1925

Geographically diffuse
Top 8 states by recorded births for the name Sean
Rank State Visual share Births Share of total
#1 California
57,666 13.6%
#2 New York
41,691 9.9%
#3 Pennsylvania
25,519 6.0%
#4 Texas
21,241 5.0%
#5 Illinois
20,662 4.9%
#6 Florida
19,748 4.7%
#7 New Jersey
19,562 4.6%
#8 Massachusetts
19,503 4.6%
California share of Sean's total US births 13.6%
Even split

57,666 of 423,036 births nationwide. Compared to a flat distribution across 51 reporting states.

Sean appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Sean?
423,036 babies have been named Sean since 1925. It currently ranks #436 among boys. The peak year was 1990 with 12,018 births.
When was Sean most popular?
Sean was most popular in the 1980s decade with 103,875 total births. The single peak year was 1990.
Where is Sean most popular?
The top states for the name Sean are California (57,666 births), New York (41,691 births), Pennsylvania (25,519 births).
How long has the name Sean been used?
Sean has been recorded in Social Security data since 1925, spanning 100 years of data through 2024.
What names are similar to Sean?
Names with a similar sound or spelling include Seamus, Seanmichael, Seaborn, Seann, and 4 more. These share a common prefix and are also used for boys.

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, 1925–2024 (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.