Thaddäus is a ♂ boy’s name.
Thaddäus is a German variant of the biblical name Thaddeus, which is of Greek and Aramaic origin.
Thaddäus means “heart” (from Aramaic “tadda”). In Greek, Thaddäus derived from Thaddaios (Θαδδαιος), which is of unknown origin.
The name Thaddäus is ranked #5960 overall.
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