What is the grammatical term for a proper noun that describes resident of specific place like Londoner or Georgian?

The grammatical term for a proper noun that describes a resident of a specific place is demonym.

Demonym is a word that identifies a person who comes from a particular place. Some examples include:

* Londoner (from London)

* Georgian (from Georgia)

* New Yorker (from New York)

* Parisian (from Paris)

* Canadian (from Canada)

These words are formed by adding a specific suffix to the place name or by using a different word entirely.