US rank #848 Boys' name Peak 2016 25,739 births

Thaddeus — #848 US boys' name

25,739 babies named Thaddeus in U.S. Social Security records since 1880, with the highest year being 2016. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1880s1111890s931900s1551910s17931920s24211930s12141940s14271950s21921960s21011970s28891980s23991990s23612000s20502010s30902020s1443
#848
of 14,243 boys in use

More common than 94% of names given to boys today.

2010s
Peak decade

12% of everyone ever named Thaddeus was born in this single decade.

2016
Single peak year

416 babies were named Thaddeus in 2016 — its busiest year on record.

What the Data Says About Thaddeus

The Social Security Administration has registered 25,739 babies named Thaddeus between 1880 and 2024, spanning 145 consecutive years of U.S. birth records. As a boy's name, Thaddeus currently holds the #848 rank among boys for 2024. The name reached its historical peak in 2016, when 416 babies received it in a single year.

Decade-level aggregation shows that Thaddeus performed strongest in the 2010s, accumulating 3,090 births during that ten-year window. Across the 15 decades of recorded activity, Thaddeus shows notable generational variation in parental adoption. Geographically, the name is most concentrated in New York, which accounts for 2,229 births — the largest state-level total in the dataset — followed by Illinois and Pennsylvania. In total, SSA state-level files list Thaddeus in 45 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Thaddeus in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 25,739 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Thaddeus at a glance

Top 1,000 boys' name

Total births

25,739

Since 1880

145 years of records

Peak year

2016

416 births that year

Strongest decade: 2010s

Current rank

#848

Among boys

As of 2024

Active since

1880

Recorded for 145 years

Last year on file: 2024

Thaddeus popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 2024–1880

Top 1,000 boys' name
Peak year (2016)
416
Annual births at peak — across 145 years of records
-1000100200300400500 202420061988197019521934191618981880 12

Thaddeus popularity over time — girls

32 total births recorded since 1932 (Thaddeus as girls' name)

Unisex variant — 32 births
4.555.566.5 198519811973197119701932 6

Thaddeus by decade

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

Peak: 2010s
Peak decade
2010s
3,090 births that decade — 12% of Thaddeus's all-time total
1880s1111890s931900s1551910s17931920s24211930s12141940s14271950s21921960s21011970s28891980s23991990s23612000s20502010s30902020s1443

Thaddeus by state

Where Thaddeus concentrates geographically — total births since 1880

Geographically diffuse
Top 8 states by recorded births for the name Thaddeus
Rank State Visual share Births Share of total
#1 New York
2,229 8.7%
#2 Illinois
2,087 8.1%
#3 Pennsylvania
1,751 6.8%
#4 Michigan
1,473 5.7%
#5 California
1,176 4.6%
#6 Texas
1,030 4.0%
#7 Ohio
980 3.8%
#8 Louisiana
926 3.6%
New York share of Thaddeus's total US births 8.7%
Even split

2,229 of 25,739 births nationwide. Compared to a flat distribution across 45 reporting states.

Thaddeus appears in 45 states. Explore state details →

Frequently Asked Questions

How popular is the name Thaddeus?
25,739 babies have been named Thaddeus since 1880. It currently ranks #848 among boys. The peak year was 2016 with 416 births.
When was Thaddeus most popular?
Thaddeus was most popular in the 2010s decade with 3,090 total births. The single peak year was 2016.
Where is Thaddeus most popular?
The top states for the name Thaddeus are New York (2,229 births), Illinois (2,087 births), Pennsylvania (1,751 births).
How long has the name Thaddeus been used?
Thaddeus has been recorded in Social Security data since 1880, spanning 145 years of data through 2024.
What names are similar to Thaddeus?
Names with a similar sound or spelling include Thad, Thatcher, Thane, Thayne, and 4 more. These share a common prefix and are also used for boys.

Keep exploring Thaddeus

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Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1880–2024 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.