A famous bearer of this name would be Tadeusz Kosciuszko, an American and Polish hero. He was a Polish military officer who served with distinction in George Washington's army during the Revolution, and later fought in defense of his native Poland.
If you ask me, a reference to "Pan Tadeusz" ("Lord Tadeusz" in English) in the description of this entry is pretty much an absolute must, considering that "Pan Tadeusz" is considered to be the national epic of Poland and is compulsory reading in all Polish schools. [noted -ed]