Total births
1,045
Boys' name · since 1924
Thaddaeus
Since 1924, U.S. Social Security records show 1,045 babies named Thaddaeus, peaking in 2005. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #5703
- among boys today
- 1,045
- born since 1924
- 2000s
- peak decade
- 60%
- more common than other boys
1,045 babies have been named Thaddaeus since 1924, making it today's #5703 boys' name.
According to the U.S. Social Security Administration, Thaddaeus has been recorded 1,045 times among boys since 1924, currently ranked #5703 nationally and more common than 60% of boys, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1924 to 2025.
- #5703 among boys today
- 1,045 born since 1924
- 2000s peak decade
- 60% more common than other boys
Data updated Jun 2026
The verdict
Thaddaeus is currently the #5703 boys' name in America, more common than 60% of boys - 1,045 born since 1924, peaking in the 2000s.
- #5703
- among boys today
- 1,045
- born since 1924
- 2000s
- peak decade
- 60%
- more common than other boys
Thaddaeus vs. every other boys name in current SSA rankings
#5703
of 14,294 boys in use
More common than 60% of names given to boys today.
2000s
Peak decade
22% of everyone ever named Thaddaeus was born in this single decade.
2005
Single peak year
29 babies were named Thaddaeus in 2005 - its busiest year on record.
How Thaddaeus compares
1,045 Top 30% higher than 70% of 14,294 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Thaddaeus's all-time total is 185% above the median boys name, and Liam still leads by a wide margin.
| Metric | Thaddaeus | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 1,045 | 367 | 358,536 |
| Peak-year births | 29 | 23 | 22,252 |
Thaddaeus's usage pattern, beyond the headline number
Splitting Thaddaeus's full recorded timeline at 1996, 58% of its total births fall in the more recent half of the record versus 42% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1924, with just 6 recorded births -- worth weighing against the 2005 peak of 29 to see the full range of the name's swing in popularity.
Thaddaeus at a glance
Outside the top 1,000Peak year
2005
Current rank
#5,703
Active since
1924
Thaddaeus popularity over time
Annual U.S. births registered with the Social Security Administration · 1924–2025
- Peak year (2005)
- 29
- Annual births at peak, across 102 years of records
Thaddaeus by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Thaddaeus's strongest decade.
225 babies received the name during that ten-year window, about 22% of all-time use.
Thaddaeus births by decade
Total births in each ten-year window
- 1920s 6
1920s
6 births
- 1940s 6
1940s
6 births
- 1960s 7
1960s
7 births
- 1970s
1970s
126 births
- 1980s
1980s
176 births
- 1990s
1990s
201 births
- 2000s
2000s
225 births
- 2010s
2010s
202 births
- 2020s
2020s
96 births
What this shows Peak: 2000s at 225 births (22% of all-time use).
How Thaddaeus 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 Thaddaeus's total volume
Thaddaeus vs 15 similarly-sized boys names
Thaddaeus by state
Where Thaddaeus concentrates geographically, total births since 1924
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Ohio | | 8 | 0.8% |
| #2 | Washington | | 5 | 0.5% |
Ohio share of Thaddaeus's total US births 0.8%
Even split
8 of 1,045 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
How popular is the name Thaddaeus? ▼
Since 1924, Social Security records show 1,045 babies named Thaddaeus. Today it holds rank #5703 among boys. Its busiest year on record was 2005, with 29 births.
When was Thaddaeus most popular? ▼
Thaddaeus was most popular in the 2000s decade with 225 total births. The single peak year was 2005.
Where is Thaddaeus most popular? ▼
The top states for the name Thaddaeus are Ohio (8 births), Washington (5 births).
How long has the name Thaddaeus been used? ▼
The SSA has tracked Thaddaeus since 1924 -- 102 years through the most recent 2025 data.
What names are similar to Thaddaeus? ▼
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 Thaddaeus's data
- Thaddaeus's usage has stayed within range of its 2000s decade-level peak (225 total births) through the 2020s (96) -- a comparatively stable name, not a fading trend.
- Ohio records the most Thaddaeuss (8 births) -- see the full state breakdown if geography matters to your decision. Ohio names
- 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 Thaddaeus
Nearby Names Like Thaddaeus
Names with a similar sound, spelling, or feel to Thaddaeus
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 Thaddaeus side by side: Thaddaeus vs Thaddeus Thaddaeus vs Thad Thaddaeus vs Thatcher
Related Names
Names with a similar popularity rank to Thaddaeus
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, 1924–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Thaddaeus: #5703 Boys' Name - 1,045 Births, Peak 2005." NameAlmanac. Accessed via https://namealmanac.com/name/thaddaeus. 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 Thaddaeus 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.