The boy's name Thaddaus \th(ad)-daus\ is a variant of Thaddeus.
The baby name Thaddaus sounds like Thaddius, Thaddaeus and Thaddaos. Other similar baby names are Thadeus and Thaddaios.
Thaddaus is a very rare male first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Thaddaus. Click here to compare Thaddaus with related baby names.
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