Boys' name · since 1916

Thaddius

Thaddius has 593 recorded births since 1916 in federal Social Security data, most heavily in 1989 -- full year-by-year trend, decade aggregates, and state rankings follow.

#7,122 of 45,481
all-time among boys
593
born since 1916
1980s
peak decade

Thaddius sits outside today's top ranks for boys, with 593 recorded since 1916.

Social Security Administration records show Thaddius recorded 593 times among boys since 1916, though it doesn't currently rank among the most-used boys names, peaking in the 1980s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1916 to 2023.

  • #7,122 of 45,481 all-time among boys
  • 593 born since 1916
  • 1980s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Thaddius ranks #7,122 of 45,481 boys' names by all-time recorded births (highest first). 593 born since 1916, peaking in the 1980s.

#7,122 of 45,481
all-time among boys
593
born since 1916
1980s
peak decade
Above the archive median
All-time archive position

Thaddius's 593 recorded births place it above 84.33% of the 45,481 boys names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

Thaddius's usage pattern, beyond the headline number

Divide Thaddius's SSA record in two at 1988 and the more recent half accounts for 50% of all births, the earlier half the remaining 50%, a genuinely balanced usage pattern. Its calmest year was 1916, with only 5 births recorded -- set against the 1989 peak of 18, that's the full swing in one name's fortunes.

Thaddius popularity over time

Annual U.S. births registered with the Social Security Administration · 1916–2023

Last recorded 2023
Peak year (1989)
18
Annual births at peak, across 108 years of records
05101520 191619561972198019881996200420122023 5

Thaddius by decade

1980s is the heaviest window (116 births, 20% of the file).

1980s was Thaddius's strongest decade.

116 babies received the name during that ten-year window, about 20% of all-time use.

Thaddius births by decade

Total births in each ten-year window

births

What this shows Peak: 1980s at 116 births (20% of all-time use).

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

How Thaddius compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Thaddius's total volume

Thaddius vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%5%10%15%20%25% 050100150 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -35, 7.4%-25, 16%-21, 11.6%-17, 22.3%-27, 7.6%-54, 3.9%-55, 8.8%-53, 4.2%-109, 4.9%-46, 6.6%-18, 14.5%-44, 4.6%-35, 5.6%-35, 5.5%-26, 11.6%Thaddius-108, 3%Thaddius
Thaddius vs 15 similarly-sized boys names

Frequently Asked Questions

How popular is the name Thaddius?
Thaddius has been given to 593 babies in the U.S. since 1916, according to SSA data. Its archive ordinal is #7,122 of 45,481 among boys' names (total births, highest first). Its last appearance in the data was 2023. 18 babies were born in 1989, its single highest year.
Where does Thaddius sit in the SSA name archive?
According to the U.S. Social Security Administration, Thaddius ranks #7,122 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Thaddius most popular?
Thaddius was most popular in the 1980s decade with 116 total births. The single peak year was 1989.
How long has the name Thaddius been used?
Records for Thaddius go back to 1916, giving 108 years of history through 2023.
What names are similar to Thaddius?
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 Thaddius's data

  • Thaddius's decade-level peak was the 1980s (116 total births); usage has since declined to 18 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.

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

Keep exploring Thaddius

Nearby Names Like Thaddius

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Thaddius: 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, 1916–2023 (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 Thaddius 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.