Thadeo vs Thaddeus

Side-by-side comparison of Thadeo and Thaddeus — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Thadeo

Boy name · Rank #5037

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Name B

Thaddeus

Boy name · Rank #848

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Which name is more popular?

Metric Thadeo Thaddeus
Current Rank #5037 #848
Total Births (all years) 100 25,739
Peak Year 2024 2016
Peak Year Births 20 416
Peak Decade 2020ss 2010ss
Gender Boy Boy
First Recorded Year 2014 1880

Births by Decade

Decade Thadeo Thaddeus
1880ss — 111
1890ss — 93
1900ss — 155
1910ss — 1,793
1920ss — 2,421
1930ss — 1,214
1940ss — 1,427
1950ss — 2,192
1960ss — 2,101
1970ss — 2,889
1980ss — 2,399
1990ss — 2,361
2000ss — 2,050
2010ss 30 3,090
2020ss 70 1,443

Recent Annual Births (2014–present)

Year Thadeo Thaddeus
2014 5 328
2015 7 358
2016 6 416
2017 — 387
2018 — 344
2019 12 325
2020 8 297
2021 11 295
2022 12 308
2023 19 259
2024 20 284

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 2014–2024.

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