Thaddaus
Boy nameThaddaus has been given to 11 babies in the U.S. since 1979. It peaked in 1988.
Popularity over time births per year, 1880–2025
Total babies
11
Peak year
1988 (6 babies)
Rank in 2025
Below top 1000
First recorded
1979
10-year trend
New / returning
Gender split
All boys
Spellings & variants
Names one letter away from Thaddaus — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Thaddaus.
Sibling name ideas for Thaddaus
Same era and popularity as Thaddaus, avoiding matching initials or rhymes.
FAQ
How popular is the name Thaddaus?
Thaddaus has been given to 11 babies in the U.S. since 1979. It ranked below the top 1000 in 2025.
When did the name Thaddaus peak?
Thaddaus peaked in 1988, when 6 babies were given the name.
Is Thaddaus a girl or boy name?
Thaddaus is primarily a boy name (100% of babies named Thaddaus are boys).
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