Family name Emercy (Emercy 
) , all around the world, is a very rare last name. The cognomen Emercy is habitual in Honduras, where it is a very rare surname, Venezuela, and Nigeria, where it is an extremely rare surname. Much more frequently, Emercy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Emercy | Democratic Republic of the Congo, India, Philippines, Nigeria, Colombia |