Thaddius vs Thaddeus

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

Name A

Thaddius

Boy name

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Name B

Thaddeus

Boy name · Rank #848

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Which name is more popular?

Metric Thaddius Thaddeus
Current Rank Unranked #848
Total Births (all years) 593 25,739
Peak Year 1989 2016
Peak Year Births 18 416
Peak Decade 1980ss 2010ss
Gender Boy Boy
First Recorded Year 1916 1880

Births by Decade

Decade Thaddius Thaddeus
1880ss — 111
1890ss — 93
1900ss — 155
1910ss 12 1,793
1920ss 5 2,421
1930ss 5 1,214
1940ss 12 1,427
1950ss 23 2,192
1960ss 35 2,101
1970ss 112 2,889
1980ss 116 2,399
1990ss 105 2,361
2000ss 92 2,050
2010ss 58 3,090
2020ss 18 1,443

Recent Annual Births (2014–present)

Year Thaddius Thaddeus
2014 8 328
2015 — 358
2016 5 416
2017 7 387
2018 — 344
2019 — 325
2020 7 297
2021 6 295
2022 — 308
2023 5 259
2024 — 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, 1916–2023.

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