Yes, the noun 'Jackie Robinson' is a proper noun, the name of a specific person.
Yes, Jackie is a noun, a proper noun. The name of a person (first and last, real or fictional) is always a proper noun.
Proper noun, because it is a name
The word "farmer" is not a proper noun, unless it refers to a specific thing or person, such a Jackie Farmer, The Rutherford Farmers' Coop, or a title like The Farmer In the Dell.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Pencil proper or common noun
proper noun
Exxon is a proper noun
Yes, the word 'Ali' is a proper noun, the name of a person.A proper noun is the name or title of a specific person, place, or thing.A proper noun is always capitalized.
proper noun
Proper noun
It is a proper noun, because it is the name of a specific thing.