No, but it's part of a noun which the noun is the part of speech.
Yes, a proper noun is a type of noun that specifically names a unique person, place, thing, or idea and is typically capitalized. It is part of the broader category of nouns in the classification of parts of speech in grammar.
Truman is a name, so therefore as a part of speech it is a proper noun.
Proper noun.
Proper noun.
"Pittsburgh" is a proper noun.
Texas is a proper noun.
A proper noun.
Proper noun
Proper noun.
Proper noun
A noun, specifically a proper noun.
Television is a noun.
A noun, more particularly a proper noun.
It is a proper noun.
Britain is a proper noun.
Bethlehem is a proper noun.
Springfield is a proper noun.
Bronx is a proper noun.