Mr. used to be acceptable to address a household by just using the last name, e.g. "Mr. Jones". In modern times, it is typically to use "Mr. and Mrs. Jones" or "Mr. and Mrs. Timothy Jones".
Mr. and Mrs. (ex. "Hello, Mr. and Mrs. Evans" instead of "Hello, Mrs. and Mr. Evans")
Dr. and Mrs. or Mr. and Dr.
It's Atty. and Mrs.
It should be Mr. and Mrs. Smith's house.
You would say the male title first, but you need and in there. It should be Mr. and Mrs. John, and Mr. needs a period.
They are two people - two is plural, so it should be "Where are Mr and Mrs Jones?"
Mr and Mrs
Mr and Mrs is correct or Mrs and Mr is correct
No, there is no space after "Mr or Mrs" and before their last name. The correct format is "Mr. Smith" or "Mrs. Jones."
Mr. & Mrs. Smith
In the US it is normally Mr. and Mrs.
On an envelope it should be written as Mrs. & Mr. the reason Mrs comes before is to gesture respect for your own spouse. What in Gods' name are you talking about? The correct response is Mr. then Mrs., and the reason is deference to the man of the house. Political correctness plays no part here.