Last name Gervasia (Gervasia 
) , worldwide, is a rare family name. The last name Gervasia is habitual in Spain, where it is a rare surname, Venezuela, and Argentina, where it is a very rare surname. In absolute terms, it most frequently occurs in Spain, Mexico, and Argentina. More prevalently, Gervasia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gervasia | Philippines, Spain, Argentina, Brazil, Tanzania |