Yes, but in this case it's not a plural use. It's a possessive. You need to add an apostrophe to show ownership of the birthday. It's Kim's birthday, the birthday of Kim. Just write: In honor of Kim's birthday. The word Kim's is not plural here, but it is correct with the possessive.
The word Kim is the name of a person; a person's name is always a proper noun and always starts with a capital letter.Two people named Kim are the Kims. Example sentence:"There are two Kims in our class."
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She doesn't have any children.
It is Kims other child from another man
Kims dick
Kim's daughter is named North, though sources say her nickname will be "Nori".
The plural of name is names.
Edwards father is called The Inventor; his name is never mentioned.He is played by Vincent Price
"Song for Kim" by Concrete Blonde "Kim" by Eminem
If your first name was Jayne, then the plural would be JaynesIf your last name was Smith, then the plural would be Smiths
The plural form for the name Edmonds is the Edmondses.