Boys' name · since 2014
Thadeo
126 babies named Thadeo in U.S. Social Security records since 2014, with the highest year being 2025. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #15,929 of 45,481
- all-time among boys
- #4,130 of 13,930
- 2025 SSA year
- 126
- born since 2014
- 2020s
- peak decade
126 babies have been named Thadeo since 2014, making it today's #4130 boys' name.
According to the U.S. Social Security Administration, Thadeo has been recorded 126 times among boys since 2014, currently ranked #4130 nationally and more common than 70% of boys, with its heaviest use in the 2020s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 2014 to 2025.
- #15,929 of 45,481 all-time among boys
- #4,130 of 13,930 2025 SSA year
- 126 born since 2014
- 2020s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Thadeo ranks #15,929 of 45,481 boys' names by all-time recorded births (highest first) and #4,130 of 13,930 among boys' names in 2025. 126 born since 2014, peaking in the 2020s.
- #15,929 of 45,481
- all-time among boys
- #4,130 of 13,930
- 2025 SSA year
- 126
- born since 2014
- 2020s
- peak decade
Thadeo's 126 recorded births place it above 64.96% of the 45,481 boys names in the full SSA archive.
The state file records this name in 2 jurisdictions, led by Texas.
How Thadeo compares
126 30th percentile among 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
Thadeo's all-time total is 66% below the median boys name, and Liam still leads by a wide margin.
| Metric | Thadeo | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 126 | 369 | 358,536 |
| Peak-year births | 26 | 34 | 22,252 |
Thadeo's usage pattern, beyond the headline number
Divide Thadeo's SSA record in two at 2021 and the more recent half accounts for 70% of all births, the earlier half the remaining 30%, consistent with a name still gaining ground rather than fading. Its calmest year was 2014, with only 5 births recorded -- set against the 2025 peak of 26, that's the full swing in one name's fortunes.
Thadeo popularity over time
Annual U.S. births registered with the Social Security Administration · 2014–2025
- Peak year (2025)
- 26
- Annual births at peak, across 12 years of records
Thadeo by decade
2020s is the heaviest window (96 births, 76% of the file).
2020s was Thadeo's strongest decade.
96 babies received the name during that ten-year window, about 76% of all-time use.
Thadeo births by decade
Total births in each ten-year window
- 2010s 30
2010s
30 births
- 2020s
2020s
96 births
What this shows Peak: 2020s at 96 births (76% of all-time use).
Thadeo by state
Where Thadeo concentrates geographically, total births since 2014
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Texas | | 19 | 15.1% |
| #2 | California | | 11 | 8.7% |
19 of 126 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
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What to do with Thadeo's data
- Texas records the most Thadeos (19 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 Thadeo
Nearby Names Like Thadeo
Names with a similar sound, spelling, or feel to Thadeo
Compare Thadeo side by side: Thadeo vs Thaddeus Thadeo vs Thad Thadeo vs Thatcher
Related Names
Names with a similar popularity rank to Thadeo
Nationwide names with similar peak year or record span
Two nationwide peer axes for Thadeo: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2025)
Similar record span (~11 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, 2014–2025 (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 Thadeo 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.