"courageous heart"
Origin: Aramaic
Language: Aramaic
Thaddeus
Pronunciation: [ th-AD-ee-uhs ]
Boy Name
#850 Most Popular
Steady
3 Syllables
A bold biblical name with a great everyday nickname
English
Polish
American
Catholic
Classic
Literary
Strong
Sophisticated
Vintage
Meaning & Origin
"praise"
Origin: Hebrew
Language: Hebrew
The Story of Thaddeus
Thaddeus has roots in Hebrew and Aramaic, with scholars debating its precise meaning — possibilities include 'courageous heart,' 'gift of God,' or 'praise.' In the New Testament, Thaddaeus was one of the twelve apostles, also known as Judas son of James (not Judas Iscariot), likely called Thaddaeus to distinguish him. The name entered Western use through early Christianity and has maintained a dignified, if rare, presence for two millennia.
Thaddeus has never been a mass-market name, but has never fully disappeared. It enjoys recurring use among families seeking substantial, nickname-friendly names that stand out without being invented. Its Polish form Tadeusz remains common in Poland and among Polish-American families.
In Poland, Tadeusz is a name of national honor — Tadeusz Kościuszko was a Revolutionary War hero who fought for both American and Polish independence, and Adam Mickiewicz's epic poem 'Pan Tadeusz' is Poland's national epic. The name carries gravitas in both Catholic and literary traditions.
Fun Facts
- Tadeusz Kościuszko, the Polish form bearer, is one of only a few foreign nationals honored with monuments in both Washington D.C. and Philadelphia
- Thaddaeus is one of only two apostles to ask Jesus a question in the Gospel of John
Thaddeus in Other Languages
Latin
Thaddaeus
French
Thaddée
Polish
Tadeusz
Italian
Taddeo
Spanish
Tadeo
Famous People Named Thaddeus
T
Thaddeus Stevens
Politician
1792
Radical Republican congressman, fierce abolitionist, and key architect of Reconstruction after the Civil War, portrayed ...
Radical Republican congressman, fierce abolitionist, and key architect of Reconstruction after the Civil War, portrayed by Tommy Lee Jones in Spielberg's Lincoln
T
Tadeusz Kościuszko
Military
1746
Polish-Lithuanian general who served in the American Revolutionary War and later led the Polish uprising against Russian...
Polish-Lithuanian general who served in the American Revolutionary War and later led the Polish uprising against Russian partition
T
Thad Castle Fictional
Other
Lovably dim star football player in the comedy series Blue Mountain State
Quick Facts
- Gender
- Boy
- Syllables
- 3
- Popularity Rank
- #850
- Total SSA Count
- 284
- Cultural Origins
- English Polish American Catholic
- Pronunciation
- Moderate
- Formality
- Formal
- Cross-Cultural Ease
- Moderate
Alternative Spellings
Common Nicknames
Thad
Tad
Taddy
Pairs Well With
Thaddeus James
Thaddeus William
Thaddeus John
Thaddeus August
Thaddeus Cole
Thaddeus Lee
Thaddeus Owen
Sibling Names
Also a Girl Name
Thaddeus is also used as a girl name, ranked #66634.
View Thaddeus as a girl name →Similar Names
Playground Safety
Kid-Friendly
Can't decide?
Start a tournament bracket with Thaddeus and other names you're considering.
Start a TournamentLike this name?
Check how Thaddeus sounds with your surname and test for potential nicknames.
Analyze This NameExplore More Generators
-
🧝
Fantasy Name Generator
Create names for D&D and RPG characters
-
🐾
Pet Name Generator
Find the perfect name for your furry friend
-
🎭
Character Name Generator
Names for fictional characters across genres
Frequently Asked Questions About Thaddeus
What does the name Thaddeus mean?
"courageous heart" (from Aramaic). "praise" (from Hebrew). Thaddeus has roots in Hebrew and Aramaic, with scholars debating its precise meaning — possibilities include 'courageous heart,' 'gift of God,' or 'praise.' In the New Testament, Thaddaeus was one of the twelve apostles, also known as Judas son of James (not Judas Iscariot), likely called Thaddaeus to distinguish him. The name entered Western use through early Christianity and has maintained a dignified, if rare, presence for two millennia.
What is the origin of the name Thaddeus?
Thaddeus has Aramaic, Hebrew, English, Polish, American, and Catholic origins. In Aramaic, it means "courageous heart". In Hebrew, it means "praise".
Is Thaddeus a boy or girl name?
Thaddeus is used as both a boy and girl name. As a boy name, it is ranked #850. As a girl name, it is ranked #66634. Thaddeus is more commonly used as a boy name.
How do you pronounce Thaddeus?
Thaddeus is pronounced th-AD-ee-uhs.
How popular is the name Thaddeus?
Thaddeus is currently ranked #850 in popularity for boy names in the United States.
What are common nicknames for Thaddeus?
Common nicknames for Thaddeus include Thad, Tad, and Taddy.
What are good middle names for Thaddeus?
Popular middle name pairings include Thaddeus James, Thaddeus William, Thaddeus John, Thaddeus August, Thaddeus Cole, Thaddeus Lee, and Thaddeus Owen.
What are good sibling names for Thaddeus?
Names that pair well with Thaddeus as siblings include Augustus, Sebastian, Cornelius, Edmund, Beatrice, Helena, Isadora, and Felix.
How many syllables does Thaddeus have?
Thaddeus has 3 syllables, making it distinctive and rhythmic.
Is Thaddeus a common or rare name?
Thaddeus is moderately common, ranked #850 for boys in the US. You will encounter it, but it stands out.
About the Name Thaddeus
Thaddeus is a boy name with English, Polish, American, and Catholic origins . The name means "courageous heart" in Aramaic .
Is Thaddeus a boy or girl name? Thaddeus is used as both a boy and girl name. As a boy name, it ranks #850 in popularity. As a girl name, it ranks #66,634. Thaddeus is more commonly used as a boy name.
Thaddeus is currently ranked #850 in popularity for boy names in the United States.
The name Thaddeus has 3 syllables and is pronounced th-AD-ee-uhs, making it distinctive and memorable.
Common nicknames for Thaddeus include Thad, Tad, and Taddy. These shorter forms provide casual alternatives while keeping the elegance of the full name.
Alternative spellings of Thaddeus include Thadeo . Each spelling variation gives the name a slightly different character while preserving its sound and meaning.