Thaddeus
Gender: Boy
Meaning: Courageous heart, praised
Origin: Aramaic/Greek
Popularity: Ranked #798 in 2025 with 314 babies born.
History: Thaddeus surged in the 2020s as a deep-cut biblical name experiencing revival. Thaddeus Stevens was one of the most radical abolitionists in Congress — he fought for racial equality decades before it was popular. Thaddeus means principled American political courage.
Name length: 8 letters
How common is Thaddeus? About 1 in 10,600 babies born in 2025 were named Thaddeus, or roughly 0.9 per day in the United States.
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Frequently asked about Thaddeus
What does the name Thaddeus mean?
Thaddeus means “Courageous heart, praised” from Aramaic/Greek roots.
What is the origin of the name Thaddeus?
Thaddeus has Aramaic/Greek origin. The traditional meaning is “Courageous heart, praised”.
How popular is Thaddeus?
Thaddeus ranked #797 in 2025 — given to 314 babies that year.
When was Thaddeus most popular?
Thaddeus peaked in 2016 with 416 babies registered that year.
Is Thaddeus a boy or girl name?
Thaddeus is predominantly a boys' name — over 90% of Thaddeuss in registered births are male.
Is the name Thaddeus rising or falling in popularity?
Thaddeus has fallen 13 spots in the rankings over the last 5 years — from #784 in 2020 to #797 in 2025.
How long has Thaddeus been recorded?
Thaddeus appears in birth records across 145 years — from 1880 through 2025.