Cognomen Guswa (Guswa 
) , in the entire world, is a very rare family name. The last name Guswa is habitual in Poland, where it is a very rare surname, the United States, where it is an extremely rare surname, and India.
| VARIANT | COUNTRY |
|---|---|
| Guswa | Poland, India, United States |
| andrew j guswa researcher |
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