Tadeas

Tadeas is a masculine name of Czech and Slovak origin, serving as a Central European variant of Thaddeus. The name ultimately derives from the Aramaic name Thaddai, which may mean 'courageous heart' or 'gift of God.' In biblical tradition, Thaddeus was one of the Twelve Apostles. The Tadeas spelling is particularly common in the Czech Republic and Slovakia, where it has remained a traditional choice. The name combines classical heritage with a distinctive Slavic character through its spelling. While less familiar in English-speaking countries, Tadeas offers parents seeking international names an option with both historical depth and a fresh sound. The name's strong consonants balanced with soft vowels create a melodic yet masculine impression.

Pronounced tah-DAY-us.

As of October 2026, Tadeas ranked #11963 in US births in 2016 SSA.