Cognomen Morcus (Morcus 
) , in the world, is a rare family name. The surname Morcus is characteristic of Netherlands, where it is a rare surname, Syria, and Belgium. Not in comparison with a country's population, it most frequently occurs in Netherlands, Syria, and the United States. Very seldom, Morcus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Morcus | Syria, Egypt, Australia, United States, Netherlands |