Which is correct
Mr. and Mrs. Ye
the Ye's are going to go to dinner? should the apostrophe be used?
No, you should NOT use the apostrophe to make the plural. The Yes are going to dinner.
If you are afraid will be taken for the word yes, then write Mr. and Mrs. Ye are going go dinner, or The Ye family is going to dinner.
I've looked all over for a definitive answer for names ending with an i.
The Martinis are coming to dinner.
The Sevieris are here now.
I seems adding only an 's' changes the pronunictiation of the name so it always 'feels' like I should add an apostrophe somehwere.
Additionally, how would you make these names possessive and plural possesive?
The same way you would anything else.
This is Steve Martini's car.
This is the Martinis' house.
The Martinis are coming for dinner - no possessive, so no '