Thaddea is a girl name with roots in Aramaic and Greek culture. A feminine form of Thaddeus, the apostle's name, from the Aramaic Taddai - of uncertain meaning, perhaps 'heart' or 'courageous'.
The numerology number for Thaddea is 6, reflecting the personality traits and characteristics associated with this name.
Origin : aramaic, greek
Gender : girl
Numerology : 6
Syllables : 3
Last updated 9 November 2026 · How we research names · Report a mistake
A rare feminine form of Thaddeus, the name of one of the twelve apostles. Thaddeus comes through Greek from the Aramaic 'Taddai'. Its meaning is uncertain: it is often explained as 'heart' or 'chest', or linked to the Greek name Theodotos.
In numerology, the name Thaddea reduces to the number 6, which is most often linked to responsibility, harmony, nurturing. A person carrying this vibration tends to be caring and protective - naturally drawn to looking after family, friends, and home, and happiest when those around them feel secure.
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