boy's name

Thaddeus

  • Origin Aramaic
  • Gender Boy
  • Syllables 3
  • Letters 8
  • Popularity Top 1000 (US)
  • Births on record 26,642

the United States

#798

2025 births

Thaddeus is a boy's name with 3 syllables. In 2025 it was given to 314 babies in the United States, ranking #798. It is a well-established, commonly used name.

  • Thaddeus is a name of Aramaic origin.
  • Peaked in 2016, when 416 babies were given the name.
  • It has been rising over the past decade.
  • Today about 1 in 10,558 babies in the United States is given this name.
  • 3 syllables, with the stress on syllable 1.

Thaddeus over time

Births per decade in the United States, 1880s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.

3,090
'80 '90 '00 '10 '20 '30 '40 '50 '60 '70 '80 '90 '00 '10 '20
Show the numbers
Births named Thaddeus by decade in the United States
Decade Births
1880s 111
1890s 93
1900s 155
1910s 1,793
1920s 2,421
1930s 1,220
1940s 1,427
1950s 2,192
1960s 2,101
1970s 2,906
1980s 2,409
1990s 2,361
2000s 2,050
2010s 3,090
2020s (to 2025) 1,760

How popular is Thaddeus?

In 2025, Thaddeus was given to 314 babies in the United States, ranking #798 that year. It is a well-established, commonly used name.

Where Thaddeus is used

United States #798 314 in 2025
Ireland #942 3 in 2021
Canada #1,069 24 in 2024
England & Wales #1,609 17 in 2025
France #7,000 5 in 2018

The bar shows how near the top of each country's list the name sits, on a scale where #1 fills the row and #1,000 is a sliver. The figures beside it are the real rank and the babies recorded that year.

US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.

Names that peaked alongside Thaddeus

These names rose and fell in the same era, which is why they tend to sound like they belong together.

Parents who like Thaddeus also like

Names whose popularity has risen and fallen in step with Thaddeus over the last century — the same taste, a different name.

Thaddeus in other languages

The same name as it is spelled elsewhere — not shortenings, and not different names that merely sound alike. Each one has its own record here.

Italian
Taddeo
Lithuanian
Tadas
Polish
Tadeusz
Ukrainian
Tadei
Other forms
Forms we hold no single language for — some are used across several, some are simply spelled differently.
Thad

Sibling names for Thaddeus

Names from the same era that won't rhyme or share an initial with Thaddeus — the two things that make a sibling set grate.

Common questions about Thaddeus

How popular is the name Thaddeus?

In 2025, Thaddeus was given to 314 babies in the United States, ranking #798 that year. It is a well-established, commonly used name.

Is Thaddeus a girl's or a boy's name?

Thaddeus is given almost entirely to boys in birth records.

How many syllables are in Thaddeus?

Thaddeus has 3 syllables.

When was Thaddeus most popular?

Thaddeus peaked in 2016, when 416 babies were given the name. It has been rising over the past decade.

Is Thaddeus a good name?

That is not something records can settle, but they can tell you what you would be choosing. Thaddeus currently ranks #798 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.