The baby name Tadeusz is a Male name , 3 syllables long and is pronounced tah-DEH-oosh (Polish); IPA: /taˈdɛ.uʂ/.
Tadeusz is Polish in Origin.
The baby name Tadeusz is a Male name , 3 syllables long and is pronounced tah-DEH-oosh (Polish); IPA: /taˈdɛ.uʂ/.
Tadeusz is Polish in Origin.
Tadeusz is the standard Polish form of Thaddeus, via Latin Thaddaeus and Greek Thaddaios from an Aramaic name (often reconstructed as Thaddai). Its etymology is debated; common interpretations include "heart, breast" and a sense of "courageous, warm-hearted," while some view it as a pet form of a theophoric name. Through the cult of the Apostle Jude Thaddeus, the name spread in Christian Europe; in Poland, his feast on 28 October supports steady use.
As a cultural touchstone, the name was cemented by Adam Mickiewicz's national epic Pan Tadeusz (1834) and borne by figures such as patriot Tadeusz Kosciuszko and statesman Tadeusz Mazowiecki. Variants include Thaddeus (English), Thaddée (French), Taddeo (Italian), Tadeo (Spanish), Tadeu (Portuguese), Tadas (Lithuanian), Tadej (Slovene), and Tadeáš (Czech/Slovak); Belarusian Tadevush mirrors the Polish form. Polish diminutives: Tadek, Tadzio, Tadzik.
| Tadeusz Kościuszko Tadeusz Kościuszko was most famous as a Polish military leader and engineer who became a national hero for fighting for independence in both Poland and the United States. He served in the American Revolutionary War and later led the 1794 Kościuszko Uprising against Russia and Prussia. | Tadeusz Mazowiecki Tadeusz Mazowiecki was a Polish politician and journalist best known as the first non-communist prime minister of Poland after World War II, serving from 1989 to 1991. He was also a leading figure in the Solidarity movement and later founded and led the Democratic Union and Freedom Union. | Tadeusz Łomnicki Tadeusz Łomnicki was a celebrated Polish actor, best known as one of Poland’s greatest stage and film performers. He was especially remembered for his work in comedies and dramas, including his role as Kordian in Juliusz Słowacki’s Kordian. |
Based on birth registration data from national statistics agencies.
| Country | Gender | Year | Rank | Born | of |
|---|---|---|---|---|---|
| Ireland | Boys | 2020 | #1 | — | 780 |
| PL | Boys | 0 | #47 | 5,775 | 6,459 |
| LU | 0 | #66 | 1 | 2,830 | |
| PL | 0 | #123 | 158 | 2,600 | |
| LT | Boys | 0 | #132 | 19 | 2,166 |
| Norway | Boys | 1984 | #144 | 4 | 544 |
| CZ | 0 | #186 | 1 | 3,154 | |
| Sweden | Boys | 2016 | #191 | 2 | 1,526 |
| IR | 0 | #231 | 1 | 4,221 | |
| GR | Boys | 0 | #271 | 3 | 6,912 |
| KZ | Boys | 0 | #296 | 1 | 6,578 |
| CZ | Boys | 0 | #297 | 9 | 6,530 |
| AL | Boys | 0 | #303 | 1 | 5,122 |
| DK | Boys | 0 | #327 | 6 | 7,401 |
| PL | Girls | 0 | #329 | 26 | 5,096 |
| France | Boys | 2007 | #400 | 3 | 2,758 |
| Austria | Boys | 0 | #416 | 27 | 2,180 |
| CR | Boys | 0 | #510 | 1 | 10,188 |
| IR | Boys | 0 | #542 | 11 | 10,162 |
| PS | Girls | 0 | #547 | 1 | 10,981 |
| IL | Boys | 0 | #625 | 1 | 10,983 |
| IL | Girls | 0 | #645 | 1 | 11,648 |
| Finland | Boys | 2026 | #675 | 8 | 3,552 |
| BR | Boys | 0 | #785 | 1 | 12,213 |
| Germany | Boys | 0 | #831 | 122 | 5,697 |
| NL | Boys | 0 | #858 | 94 | 5,873 |
| United States | Boys | 2024 | #888 | 5 | 7,044 |
| Spain | Boys | 0 | #901 | 30 | 5,610 |
| MX | Boys | 0 | #1,033 | 1 | 16,355 |
| MA | 0 | #1,199 | 1 | 20,986 | |
| ZA | Boys | 0 | #1,270 | 3 | 25,619 |
| IT | Boys | 0 | #1,400 | 72 | 10,046 |
Tadeusz is popular in 26 countries — most recent births per country:
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