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Every number here comes directly from birth records. No estimates, no averages — just the counts.

Current rank (2025)#10695
Babies named Thadeus in 20256
Total recorded1,123
Peak year1918 (27 babies)
Highest rank ever#1387
Years in records1912–2025 (92 years of data)

Frequently asked about Thadeus

What does the name Thadeus mean?
Thadeus means “Courageous heart, praised” from Aramaic/Greek roots.
What is the origin of the name Thadeus?
Thadeus has Aramaic/Greek origin. The traditional meaning is “Courageous heart, praised”.
How popular is Thadeus?
Thadeus ranked #10695 in 2025 — given to 6 babies that year.
When was Thadeus most popular?
Thadeus peaked in 1918 with 27 babies registered that year.
Is Thadeus a boy or girl name?
Thadeus is predominantly a boys' name — over 90% of Thadeuss in registered births are male.
How long has Thadeus been recorded?
Thadeus appears in birth records across 92 years — from 1912 through 2025.

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