Cognomen Brelly (Brelly 
) , around the globe, is an extremely rare last name. The last name Brelly is habitual in Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, Peru, where it is an extremely rare surname, and Mexico. Much more frequently, Brelly is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Brelly | Democratic Republic of the Congo, Mexico, Venezuela, Philippines, India |