Can You Say Christmases?
Apostrophes Are for Contractions (E. G. , Isn't, We're, Don't) and Possessive Nouns Possessive Nouns Together with a Noun, as in My Car, Your Sisters, His...
Apostrophes are for contractions (e.g., isn't, we're, don't) and
Is there a plural of Christmas?
The plural form of Christmas; more than one (kind of) Christmas.
How do you make Chris plural?
When you follow the rules of The Associated Press Stylebook, Chris' is proper. With all other style guides, Chris's is correct.