Family name Cornilius (Cornilius 
) , in the entire world, is a very rare last name. The last name Cornilius is characteristic of Nigeria, where it is a very rare surname, France, and the United States, where it is an extremely rare surname. Likewise, Cornilius is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cornilius | Indonesia, Nigeria, United States, India, France |