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What does Thaddaeus mean?

Thaddaeus Pronunciation of Thaddaeus [thad-daeus] as a name for boys is of Aramaic derivation, and the name Thaddaeus means "heart". Thaddaeus is an alternate spelling of Thaddeus (Aramaic): also possibly derives from Theodorus.


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

1 more different relation via Thaddeus: Taddeusz.

Creative forms:


Middle name pairings:
Thaddaeus Alan (T.A.), ..

How popular is Thaddaeus?

Thaddaeus is an unusual first name for males. Thaddaeus is an unusual surname too for both adults and children. (2000 U.S. Demographics)

Which version is better?

with its source form and related boy names. Thaddeus (#703 from recent data) and Thadeus are the prominent variation forms of Thaddaeus (not ranked) listed in the Top 2000. Other variants, like Taddeusz, are seldom used. These forms of Thaddaeus were favored by parents in the 1910s (average #1123) and are somewhat less widespread today. (2015 Birth Statistics)

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

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

Similar Names

Recommended names are Amadeus, Caduceus, Daedalus, Dardanus, Mattaeus, Taddeo, Thanasis, Thandey, Thandie, Theodorus and Theseus. Like Thaddaeus, these names are not frequently used.

See names
in meaning and etymology.