Tadas is a ♂ boy’s name.
Tadas is a Lithuanian variant of the biblical name Thaddeus, which is of Greek and Aramaic origin.
Tadas means “heart” (from Aramaic “tadda”). In Greek, Tadas derived from Θαδδαιος/Thaddaios, which is of unknown origin.
The name Tadas is ranked #14386 overall.
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