Yes, the word 'Irish' is a proper noun as a word for the people of Ireland as a group; as a word for the language of Ireland.The word 'Irish' is the proper adjective form of the proper noun Ireland. The adjective Irish describes someone or something of or from Ireland.
As a name of a road , Park Avenue', it is a proper noun, and both words star with a capital letter. However, when used separately, as 'the park, or 'the avenue', they are common nouns and so not need a capital letter.
It is a proper noun, because it is the name of a specific thing.
Proper noun
proper
it's a common noun. a proper noun would be Spider-Man.
Pencil proper or common noun
Ireland is a proper noun.
The term 'United Kingdom' is a proper noun, the name of a specific nation of Europe, consisting of England, Scotland, Wales, Northern Ireland, Channel Islands, and the Isle of Man.A proper noun is always capitalized.
The noun cassette is a common noun.
a common noun?
Camel is a common noun.