The baby name Tadeja is a Female name , 3 syllables long and is pronounced /taˈdɛja/ (ta-DEH-ya).
The baby name Tadeja is a Female name , 3 syllables long and is pronounced /taˈdɛja/ (ta-DEH-ya).
Tadeja is Latin, Slavic in Origin.
Tadeja is the Slovene and, less commonly, Croatian feminine form of Tadej, cognate with English Thaddeus. The name ultimately goes back to Greek Thaddaios/Latin Thaddaeus, from Aramaic Thaddai. Its exact meaning is debated; many linguists connect it with a Semitic root for “breast/heart,” yielding interpretations such as “courageous heart,” while others propose “praise.” Through the apostle Jude Thaddeus, the name entered Christian onomastics and has circulated across Europe since late antiquity.
As a feminine adaptation shaped by Slavic -a endings, Tadeja has seen steady use in Slovenia since the 20th century, with occasional appearance in neighboring Croatia. Related forms include masculine Tadej (Slovene), Tadeusz (Polish), Tadeáš (Czech/Slovak), Taddeo (Italian), Tadeo (Spanish), and Tadeu (Portuguese); feminine counterparts are Tadea (Spanish/Czech), Taddea (Italian), and Tadeja (Slovene/Croatian). Rare English usage prefers the biblical Thaddeus, with no common feminine equivalent.
Based on birth registration data from national statistics agencies.
| Country | Gender | Year | Rank | Born | of |
|---|---|---|---|---|---|
| SI | 0 | #45 | 36 | 1,612 | |
| SI | Girls | 0 | #64 | 138 | 2,769 |
| HR | Girls | 0 | #288 | 7 | 3,687 |
| United States | Girls | 2008 | #956 | 5 | 10,120 |
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