Boys' name · since 1979

Thadeous

Thadeous has 17 recorded births since 1979 in federal Social Security data, most heavily in 1986 -- full year-by-year trend, decade aggregates, and state rankings follow.

17
total births
1979–1994
years on record
1980s
peak decade
35%
born in that decade

Thadeous is not among the current top-ranked boys names; 17 have been recorded since 1979.

According to the U.S. Social Security Administration, Thadeous has been recorded 17 times among boys since 1979, though it is not among the currently most-used boys names, with its heaviest use in the 1980s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1979 to 1994.

  • 17 total births
  • 1979–1994 years on record
  • 1980s peak decade
  • 35% born in that decade

Data updated Jul 2026

The verdict

17 boys have been named Thadeous since 1979, peaking in the 1980s, last recorded in 1994.

17
total births
1979–1994
years on record
1980s
peak decade
35%
born in that decade
1980s
Peak decade

35% of everyone ever named Thadeous was born in this single decade.

1986
Single peak year

6 babies were named Thadeous in 1986 - its busiest year on record.

Thadeous's usage pattern, beyond the headline number

Divide Thadeous's SSA record in two at 1986 and the more recent half accounts for 71% of all births, the earlier half the remaining 29%, consistent with a name still gaining ground rather than fading. Its calmest year was 1979, with only 5 births recorded -- set against the 1986 peak of 6, that's the full swing in one name's fortunes.

Thadeous at a glance

Last recorded 1994

Total births

17

Since 1979

16 years of records

Peak year

1986

6 births that year

Strongest decade: 1980s

Current rank

Unranked

Outside the modern top-1,000

As of 1994

Active since

1979

Recorded for 16 years

Last year on file: 1994

Thadeous popularity over time

Annual U.S. births registered with the Social Security Administration · 1979–1994

Last recorded 1994
Peak year (1986)
6
Annual births at peak, across 16 years of records
4.555.566.5 197919861994 6

Thadeous by decade

Total births in each ten-year window, peak vs trough at a glance

1980s was Thadeous's strongest decade.

6 babies received the name during that ten-year window, about 35% of all-time use.

Thadeous births by decade

Total births in each ten-year window

births

What this shows Peak: 1980s at 6 births (35% of all-time use).

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

Frequently Asked Questions

How popular is the name Thadeous?
17 babies have been named Thadeous since 1979. It was last recorded in 1994. The peak year was 1986 with 6 births.
When was Thadeous most popular?
Thadeous was most popular in the 1980s decade with 6 total births. The single peak year was 1986.
How long has the name Thadeous been used?
Records for Thadeous go back to 1979, giving 16 years of history through 1994.
What names are similar to Thadeous?
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 Thadeous's data

  • Thadeous's usage has stayed within range of its 1980s decade-level peak (6 total births) through the 1990s (6) -- a comparatively stable name, not a fading trend.
  • 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 July 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, 1979–1994 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Thadeous: Baby Name Since 1979 - 17 Births, Peak 1986." NameAlmanac. Accessed via https://namealmanac.com/name/thadeous. 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 Thadeous 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 July 2026.