Surname Silicia (Silicia 
) , across the world, is a very rare last name. The family name Silicia is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, Honduras, and Mexico, where it is an extremely rare surname. More frequently, Silicia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Silicia | South Africa, Brazil, Mexico, United States, Democratic Republic of the Congo |
| roger de lauria de aragon e silicia Peerage person ID=470862 |
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