Cognomen Dycus (Dycus 
) , globally, is quite a rare surname. The cognomen Dycus is habitual in the United States, where it is a rare surname, New Zealand, and Canada, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dycus | Canada, New Zealand, United States, Brazil |
| stephen dycus American law professor (b. 1941) |
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| frank dycus (b. 1939) |
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| deandra yates dycus |
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