Boys' name · since 2010

Theseus

442 babies named Theseus in U.S. Social Security records since 2010, with the highest year being 2015. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#8,498 of 45,481
all-time among boys
#5,180 of 13,930
2025 SSA year
442
born since 2010
2010s
peak decade

Theseus currently ranks #5180 among boys' names in America, with 442 babies recorded since 2010.

Social Security Administration records show Theseus recorded 442 times among boys since 2010, holding rank #5180 nationally today, ahead of 63% of boys, peaking in the 2010s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 2010 to 2025.

  • #8,498 of 45,481 all-time among boys
  • #5,180 of 13,930 2025 SSA year
  • 442 born since 2010
  • 2010s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Theseus ranks #8,498 of 45,481 boys' names by all-time recorded births (highest first) and #5,180 of 13,930 among boys' names in 2025. 442 born since 2010, peaking in the 2010s.

#8,498 of 45,481
all-time among boys
#5,180 of 13,930
2025 SSA year
442
born since 2010
2010s
peak decade
0%100%Median name50%62.8%
Theseus vs. every other boys name in current SSA rankings
Above the archive median
All-time archive position

Theseus's 442 recorded births place it above 81.31% of the 45,481 boys names in the full SSA archive.

3 jurisdictions
State-record footprint

The state file records this name in 3 jurisdictions, led by Texas.

How Theseus compares

442 Top 47% higher than 53% 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

Theseus's all-time total is 20% above the median boys name, and Liam still leads by a wide margin.

Metric Theseus Median boys name (Takari) #1 boys name (Liam)
All-time total births 442 369 358,536
Peak-year births 44 34 22,252

Theseus's usage pattern, beyond the headline number

Splitting Theseus's full recorded timeline at 2018, 47% of its total births fall in the more recent half of the record versus 53% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 2010, with just 5 recorded births -- worth weighing against the 2015 peak of 44 to see the full range of the name's swing in popularity.

Theseus popularity over time

Annual U.S. births registered with the Social Security Administration · 2010–2025

Outside the top 1,000
Peak year (2015)
44
Annual births at peak, across 16 years of records
01020304050 201020122014201620182020202220242025 19

Theseus by decade

2010s is the heaviest window (288 births, 65% of the file).

2010s was Theseus's strongest decade.

288 babies received the name during that ten-year window, about 65% of all-time use.

Theseus births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 288 births (65% of all-time use).

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

Theseus by state

Where Theseus concentrates geographically, total births since 2010

Geographically diffuse
Top 3 states by recorded births for the name Theseus
Rank State Visual share Births Share of total
#1 Texas
42 9.5%
#2 California
41 9.3%
#3 Arizona
5 1.1%
Texas share of Theseus's total US births 9.5%
Even split

42 of 442 births nationwide. Compared to a flat distribution across 3 reporting states.

Frequently Asked Questions

How popular is the name Theseus?
Since 2010, Social Security records show 442 babies named Theseus. Across the full SSA archive it ranks #8,498 of 45,481 boys' names by total births. In 2025, it holds #5,180 of 13,930 among boys. Its busiest year on record was 2015, with 44 births.
Where does Theseus sit in the SSA name archive?
According to the U.S. Social Security Administration, Theseus ranks #8,498 of 45,481 boys' names by all-time recorded births (highest first) and #5,180 of 13,930 among boys' 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 Theseus most popular?
Theseus was most popular in the 2010s decade with 288 total births. The single peak year was 2015.
Where is Theseus most popular?
The top states for the name Theseus are Texas (42 births), California (41 births), Arizona (5 births).
How long has the name Theseus been used?
Theseus has been recorded in Social Security data since 2010, spanning 16 years of data through 2025.
What names are similar to Theseus?
Names with a similar sound or spelling include Theodore, Theo, Theron, Theadore, and 4 more. These share a common prefix and are also used for boys.

What to do with Theseus's data

  • Theseus's usage has stayed within range of its 2010s decade-level peak (288 total births) through the 2020s (154) -- a comparatively stable name, not a fading trend.
  • Texas records the most Theseuss (42 births) -- see the full state breakdown if geography matters to your decision. Texas names

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

Keep exploring Theseus

Nearby Names Like Theseus

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

Names with a similar popularity rank to Theseus

Nationwide names with similar peak year or record span

Two nationwide peer axes for Theseus: 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, 2010–2025 (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 Theseus 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.