Boys' name · since 1918
Thaddeaus
Since 1918, U.S. Social Security records show 138 babies named Thaddeaus, peaking in 1993. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 138
- total births
- 1918–2010
- years on record
- 1990s
- peak decade
- 26%
- born in that decade
Thaddeaus sits outside today's top ranks for boys, with 138 recorded since 1918.
According to the U.S. Social Security Administration, Thaddeaus has been recorded 138 times among boys since 1918, though it is not among the currently most-used boys names, with its heaviest use in the 1990s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1918 to 2010.
- 138 total births
- 1918–2010 years on record
- 1990s peak decade
- 26% born in that decade
Data updated Jun 2026
The verdict
138 boys have been named Thaddeaus since 1918, peaking in the 1990s, last recorded in 2010.
- 138
- total births
- 1918–2010
- years on record
- 1990s
- peak decade
- 26%
- born in that decade
26% of everyone ever named Thaddeaus was born in this single decade.
10 babies were named Thaddeaus in 1993 - its busiest year on record.
Thaddeaus's usage pattern, beyond the headline number
Thaddeaus splits its recorded history at 1990: 54% of all births land in the more recent half, 46% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1918 (5 births) -- compare that against the 1993 peak of 10 for a sense of just how much the name's popularity has swung.
Thaddeaus at a glance
Last recorded 2010Peak year
Current rank
Active since
Thaddeaus popularity over time
Annual U.S. births registered with the Social Security Administration · 1918–2010
- Peak year (1993)
- 10
- Annual births at peak, across 93 years of records
No longer in the modern top-1000, last recorded 2010.
138 total births across 93 years of SSA records. Peaked in 1993 with 10 births in a single year.
Thaddeaus by decade
Total births in each ten-year window, peak vs trough at a glance
1990s was Thaddeaus's strongest decade.
36 babies received the name during that ten-year window, about 26% of all-time use.
Thaddeaus births by decade
Total births in each ten-year window
- 1910s 5
1910s
5 births
- 1920s 5
1920s
5 births
- 1970s
1970s
22 births
- 1980s
1980s
32 births
- 1990s
1990s
36 births
- 2000s
2000s
33 births
- 2010s 5
2010s
5 births
What this shows Peak: 1990s at 36 births (26% of all-time use).
Thaddeaus decade highlights
- Peak decade 36 births
- Runner-up 33 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
Frequently Asked Questions
How popular is the name Thaddeaus? ▼
When was Thaddeaus most popular? ▼
How long has the name Thaddeaus been used? ▼
What names are similar to Thaddeaus? ▼
What to do with Thaddeaus's data
- Thaddeaus's decade-level peak was the 1990s (36 total births); usage has since declined to 5 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Thaddeaus
Nearby Names Like Thaddeaus
Names with a similar sound, spelling, or feel to Thaddeaus
Compare Thaddeaus side by side: Thaddeaus vs Thaddeus Thaddeaus vs Thad Thaddeaus vs Thatcher
Related Names
Names with a similar number of total births
Data Sources
Data as of June 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, 1918–2010 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Thaddeaus: Baby Name Since 1918 - 138 Births, Peak 1993." NameAlmanac. Accessed via https://namealmanac.com/name/thaddeaus. Licensed CC BY-SA 4.0.
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 Thaddeaus 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 June 2026.
Published by
NameAlmanac Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.