Pronouns and proper nouns are sometimes confused with each other. People think a pronoun and a proper noun are one and the same. However, a pronoun is very different from a proper noun.
A pronoun takes the place of a noun.
I and me take the place of your own name.
She and her take the place of female nouns such as girl or Mom.
He and his take the place of male nouns such as boy or Bob.
We, us, they, them, you, and it also replace nouns.
Dad has to work late, so he will miss my ballgame. The word he replaces Dad.
My friends are happy because they have ice cream. The word they replaces friends.
On the other hand, a proper noun is a name of a person or a place. A proper noun is always capitalized.
The names of people are proper nouns: Sandy, Ken, Jeff, Mr. Johnson, Mom, Dad, Grandma, Dr. Marks
The names of movie characters, performers, and pets are proper nouns: Mickey Mouse, Rover, Bob Dylan
The names of cities, states, and countries are proper nouns: Germany, Mexico, St. Louis, Missouri
The names of businesses are proper nouns: Walgreens, Bob’s Steak House, The Home Depot
Be sure to recognize the difference between a pronoun and a proper noun. A pronoun takes the place of another noun. A proper noun is the name of a person or a place. Proper nouns are capitalized.