Boys' name · since 1957
Seamus
Since 1957, U.S. Social Security records show 7,809 babies named Seamus, peaking in 2008. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #1,389 of 45,481
- all-time among boys
- #1,279 of 13,930
- 2025 SSA year
- 7,809
- born since 1957
- 2000s
- peak decade
Yes -- Seamus is the #1279 most popular boys' name in the U.S. today, with 7,809 recorded since 1957.
Social Security Administration records show Seamus recorded 7,809 times among boys since 1957, holding rank #1279 nationally today, ahead of 91% of boys, 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 1957 to 2025.
- #1,389 of 45,481 all-time among boys
- #1,279 of 13,930 2025 SSA year
- 7,809 born since 1957
- 2000s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Seamus ranks #1,389 of 45,481 boys' names by all-time recorded births (highest first) and #1,279 of 13,930 among boys' names in 2025. 7,809 born since 1957, peaking in the 2000s.
- #1,389 of 45,481
- all-time among boys
- #1,279 of 13,930
- 2025 SSA year
- 7,809
- born since 1957
- 2000s
- peak decade
Seamus's 7,809 recorded births place it above 96.94% of the 45,481 boys names in the full SSA archive.
30 jurisdictions carry state-level records, led by New York.
How Seamus compares
7,809 Top 10% higher than 90% of 13,930 names currently given to boys
Based on all-time total births among currently-ranked boys 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
Seamus's all-time total is 21x the median boys name, and Liam still leads by a wide margin.
| Metric | Seamus | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 7,809 | 369 | 358,536 |
| Peak-year births | 298 | 34 | 22,252 |
Seamus's usage pattern, beyond the headline number
Splitting Seamus's full recorded timeline at 1991, 87% of its total births fall in the more recent half of the record versus 13% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1958, with just 6 recorded births -- worth weighing against the 2008 peak of 298 to see the full range of the name's swing in popularity.
Seamus popularity over time
Annual U.S. births registered with the Social Security Administration · 1957–2025
- Peak year (2008)
- 298
- Annual births at peak, across 69 years of records
Seamus by decade
2000s is the heaviest window (2,446 births, 31% of the file).
2000s was Seamus's strongest decade.
2,446 babies received the name during that ten-year window, about 31% of all-time use.
Seamus births by decade
Total births in each ten-year window
- 1950s 25
1950s
25 births
- 1960s 122
1960s
122 births
- 1970s 332
1970s
332 births
- 1980s 497
1980s
497 births
- 1990s
1990s
1,241 births
- 2000s
2000s
2,446 births
- 2010s
2010s
2,268 births
- 2020s 878
2020s
878 births
What this shows Peak: 2000s at 2,446 births (31% of all-time use).
How Seamus compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Seamus's total volume
Seamus by state
Where Seamus concentrates geographically, total births since 1957
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New York | | 812 | 10.4% |
| #2 | Massachusetts | | 778 | 10.0% |
| #3 | California | | 680 | 8.7% |
| #4 | Pennsylvania | | 601 | 7.7% |
| #5 | Illinois | | 357 | 4.6% |
| #6 | New Jersey | | 275 | 3.5% |
| #7 | Ohio | | 220 | 2.8% |
| #8 | Washington | | 168 | 2.2% |
812 of 7,809 births nationwide. Compared to a flat distribution across 30 reporting states.
Seamus appears in 30 states. Explore state details →
Frequently Asked Questions
How popular is the name Seamus? ▼
Where does Seamus sit in the SSA name archive? ▼
When was Seamus most popular? ▼
Where is Seamus most popular? ▼
How long has the name Seamus been used? ▼
What names are similar to Seamus? ▼
What to do with Seamus's data
- Seamus's usage has stayed within range of its 2000s decade-level peak (2,446 total births) through the 2020s (878) -- a comparatively stable name, not a fading trend.
- New York records the most Seamuss (812 births) -- see the full state breakdown if geography matters to your decision. New York names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Seamus
Nearby Names Like Seamus
Names with a similar sound, spelling, or feel to Seamus
Compare Seamus side by side: Seamus vs Sean Seamus vs Seanmichael Seamus vs Seaborn
Related Names
Names with a similar popularity rank to Seamus
Nationwide names with similar peak year or record span
Two nationwide peer axes for Seamus: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2008)
Similar record span (~68 yrs)
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, 1957–2025 (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 Seamus 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.