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
1990s
Peak decade

26% of everyone ever named Thaddeaus was born in this single decade.

1993
Single peak year

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 2010

Total births

138

Since 1918

93 years of records

Peak year

1993

10 births that year

Strongest decade: 1990s

Current rank

Unranked

Outside the modern top-1,000

As of 2010

Active since

1918

Recorded for 93 years

Last year on file: 2010

Thaddeaus popularity over time

Annual U.S. births registered with the Social Security Administration · 1918–2010

Last recorded 2010
Peak year (1993)
10
Annual births at peak, across 93 years of records
4681012 19181978198519891993200120072010 5

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

births

What this shows Peak: 1990s at 36 births (26% of all-time use).

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

Frequently Asked Questions

How popular is the name Thaddeaus?
Since 1918, Social Security records show 138 babies named Thaddeaus. The most recent recorded year was 2010. Its busiest year on record was 1993, with 10 births.
When was Thaddeaus most popular?
Thaddeaus was most popular in the 1990s decade with 36 total births. The single peak year was 1993.
How long has the name Thaddeaus been used?
The SSA has tracked Thaddeaus since 1918 -- 93 years through the most recent 2010 data.
What names are similar to Thaddeaus?
Names with a similar sound or spelling include Thaddeus, Thad, Thatcher, Thane, and 4 more. These share a common prefix and are also used for boys.

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.

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.