Total births
593
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.
- 593
- total births
- 1916–2023
- years on record
- 1980s
- peak decade
- 20%
- born in that 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.
- 593 total births
- 1916–2023 years on record
- 1980s peak decade
- 20% born in that decade
Data updated Jul 2026
The verdict
593 boys have been named Thaddius since 1916, peaking in the 1980s, last recorded in 2023.
- 593
- total births
- 1916–2023
- years on record
- 1980s
- peak decade
- 20%
- born in that decade
1980s
Peak decade
20% of everyone ever named Thaddius was born in this single decade.
1989
Single peak year
18 babies were named Thaddius in 1989 - its busiest year on record.
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 at a glance
Last recorded 2023Peak year
1989
Current rank
Unranked
Active since
1916
Thaddius popularity over time
Annual U.S. births registered with the Social Security Administration · 1916–2023
- Peak year (1989)
- 18
- Annual births at peak, across 108 years of records
Thaddius by decade
Total births in each ten-year window, peak vs trough at a glance
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
- 1910s 12
1910s
12 births
- 1920s 5
1920s
5 births
- 1930s 5
1930s
5 births
- 1940s 12
1940s
12 births
- 1950s 23
1950s
23 births
- 1960s 35
1960s
35 births
- 1970s
1970s
112 births
- 1980s
1980s
116 births
- 1990s
1990s
105 births
- 2000s
2000s
92 births
- 2010s
2010s
58 births
- 2020s 18
2020s
18 births
What this shows Peak: 1980s at 116 births (20% of all-time use).
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
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 last appearance in the data was 2023. 18 babies were born in 1989, its single highest year.
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.
- 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 Thaddius
Nearby Names Like Thaddius
Names with a similar sound, spelling, or feel to Thaddius
Thaddeus Boy
#852 26,057 births
Thad Boy
#12364 8,219 births
Thatcher Boy
#1040 4,955 births
Thane Boy
#2967 2,604 births
Thayne Boy
#6507 1,450 births
Compare Thaddius side by side: Thaddius vs Thaddeus Thaddius vs Thad Thaddius vs Thatcher
Related Names
Names with a similar number of total births
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, 1916–2023 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Thaddius: Baby Name Since 1916 - 593 Births, Peak 1989." NameAlmanac. Accessed via https://namealmanac.com/name/thaddius. 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 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 July 2026.