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What does Thaddaus mean?

Thaddaus Pronunciation of Thaddaus [thad-daus] as a name for boys is of Aramaic origin, and the meaning of Thaddaus is "heart". Thaddaus is an alternate form of Thaddeus (Aramaic): also possibly derives from Theodorus.


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

1 more relation via Thaddeus: Taddeusz.

Creative forms:


Middle name pairings:
Thaddaus Rafael (T.R.), ..

How popular is Thaddaus?

Thaddaus is an unusual first name for men. Thaddaus is an uncommon last name too for all people. (2000 U.S. Demographics)

Which version is better?

with its source form and related boy names. Popular related forms of Thaddaus (outside Top 2000) are Thaddeus (#703 in 2015) and Thadeus. These forms of Thaddaus were favored in the 1910s (adoption of 0.03%) and are somewhat less widespread today (adoption 0.02%, 34.6%). (Top 2000 Names, 2015)

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

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

Similar Names

Suggested similar names are Amadeus, Cadmus, Claudius, Daedalus, Dardanus, Kadmus, Leondaus, Mattaus, Shamus, Tacitus, Tadao, Tadd, Taddeo, Tamas, Tamhas, Taurus, Thad, Thady, Thanasis, Thandey, Thandie, Thandiwe, Thandy, Theodorus, Theseus, Thibaud, Thibaut, Thomas, Thonus and Thoreau. These names tend to be more frequently used than Thaddaus.

See names
in meaning and etymology.