In the entire world, Sylvanius (Sylvanius 
) is a very rare gender-neutral given name. The forename Sylvanius is characteristic of Sub-Saharan Africa, particularly Nigeria, where it is a very rare epicene name. Likewise, Sylvanius is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sylvanius | Nigeria, United States, South Africa |
| sylvanius jackson quinn historian |
|