Thaddaeus comes from the Biblical tradition, meaning Brave, courageous | Formal: Valiant, audacious.
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How popular is Thaddaeus?
2005peak year
The name Thaddaeus reached its peak in 2005, with 29 registrations (ranked #3444). It had been quietly building for over half a century before that, first appearing in records in 1924. Since the peak, the name has eased to well outside the top 1,000 (around #5445) today, averaging about 18 new babies per year. Thaddaeus's usage has held roughly steady recently. Across all years on record, approximately 1,035 American babies have carried this name.
Year-by-year registrations1880–2024 · U.S. Social Security data
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