Proper Noun is countable or uncountable noun

countable

Proper noun is name of a particular person or thing. “James’ is a proper noun. “Modi” is a proper noun. “Manjula” is a proper noun .”Asus ‘ moble is a proper noun .They can be counted. Hence they are countables . They can not be uncountabls. Uncountables cannot be counted. They are referred as mass nouns..