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What does Thaddaios mean?

Thaddaios Pronunciation of Thaddaios [thad-daios] as a boys' name has its root in Aramaic, and the meaning of the name Thaddaios is "heart". Thaddaios is a version of Thaddeus (Aramaic): also possibly derives from Theodorus.


Thaddaios has 5 variants: Thaddaeus, Thaddaos, Thaddaus, Thaddius and Thadeus.

Creative forms:
(male) Tadaios, Tandaios, ..

(female) Thaddasa, Thadise, ..

Middle name pairings:
Thaddaios Zymir (T.Z.), ..

How popular is Thaddaios?

Thaddaios is an uncommon first name for males. Thaddaios is a rare surname too for all people. (2000 U.S. Demographics)

Which version is better?

with its source form and related boy names. Prominent varying forms of Thaddaios (not ranked) are Thaddeus (#703 a year ago) and Thadeus. Other variants, like Thaddaus, are seldom used. Adoption of these relations of Thaddaios reached its apex during the years 1910-1919 and is somewhat less today. (Top 2000 Names, 2015)

Top 2000 baby names ranking of Thaddeus, Thadeus in U.S.

Top 100 baby names ranking of Thaddaios and related baby names outside U.S.

Similar Names

Recommended names are Daldalos, Dardanios, Dardanos, Tadao, Taddeo, Tadio, Tadzio, Thanasis, Thandie, Thandiwe, Theodosios and Zachaios. Like Thaddaios, these names are not frequently used.

See names
in meaning and etymology.