Tadeusz

boyAramaicChristian

Tadeusz is a Christian boy name of Aramaic, via Greek and Polish origin, meaning “Debated; often 'heart' or 'courageous'”.

MeaningDebated; often 'heart' or 'courageous'
GenderBoy
OriginAramaic, via Greek and Polish
Pronunciationtah-DEH-oosh
TraditionChristian
Used inPoland

Meaning and origin of Tadeusz

Tadeusz is the Polish form of Thaddeus, the name of one of Jesus's twelve apostles. Its origin is debated; it is sometimes linked to an Aramaic word for heart or breast, and sometimes to a Greek form of Theodore. Tadeusz Kościuszko, hero of Polish and American independence, made it a patriotic name, and it appears in Adam Mickiewicz's epic 'Pan Tadeusz'.

Is Tadeusz a Christian name?

Thaddeus is an apostle listed in the Gospels of Matthew and Mark, usually identified with St Jude, patron saint of desperate causes.

How popular is Tadeusz?

Familiar in Poland, mostly among older men, with some modern revival.

Gifts with the name Tadeusz

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Spellings and variants of Tadeusz

Names similar to Tadeusz

More Christian boy names

Frequently asked questions

What does the name Tadeusz mean?

Tadeusz means 'Debated; often 'heart' or 'courageous''. It is of Aramaic, via Greek and Polish origin.

Is Tadeusz a Christian name?

Thaddeus is an apostle listed in the Gospels of Matthew and Mark, usually identified with St Jude, patron saint of desperate causes.

How do you pronounce Tadeusz?

Tadeusz is pronounced tah-DEH-oosh.

Is Tadeusz a boy or girl name?

Tadeusz is usually a boy name.

Updated October 2026. Spotted a mistake? Tell us.