wording (again)

Somebody should teach a night course in this.

Okay Save the Date and other Invites.

Mr. and Mrs. John Smith
or
Mr. and Mrs. Smith

and for unmarried living together?
Mr. John Smith
and
Ms. Jane Doe
or
Mr. John Smith and Ms. Jane Doe
or
Mr. Smith and Ms. Doe

If a couple is living together and are unmarried, the outside envelope would be

Mr. John Smith and Ms. Jane Doe

If you have an inside envelope it would be

Mr. Smith and Ms. Doe (or Jack and Jill if you prefer the more modern/familiar way)

For a married couple it woudl be

Mr. and Mrs. John Smith

The inside envelope would be

Mr. and Mrs. Smith (or again, Jack and Jill)

And remember to spell out the word 'and'!!!