I think it should be Mr and Mrs John Smith and Miss Kim Smith, otherwise it sounds like John is their surname.
It depends how you use it in the sentence, it's correct if you are writing Kim is going to the shops.
Kim Smith - basketball - was born in 1984.
Kim Smith - model - was born on 1983-03-03.
If the is couple is male and has the same last name:Messrs. Ryan & Adam SmithMr. Ryan Smith & Mr. Adam SmithRyan & Adam Smith(the third way is the most natural for most situations)If the couple is female, and has the same last name:Ms. Janet Smith & Ms. Kim SmithJanet & Kim Smith(the second way is the most natural for most situations)If the couple has different last names:Mr. Ryan Smith & Mr. Adam JonesRyan Smith & Adam JonesMs. Janet Smith & Ms. Kim JonesJanet Smith & Kim JonesNever ever say "Mr. & Mr." or "Mrs. & Mrs."
Kim Wilde's birth name is Kim Smith.
smith cause Kim is more of a first name
Kim Smith (fashion model) is 35 years old (birthdate March 3, 1983)
actully kim smith started completing athletics when she was age 16
Yes, Kim and Stephen are proper nouns, the names of specific people.
Kim Smith (born March 3, 1983) is a model and actress who has also appeared in several music videos.
John Euiwhan Kim died in 2010.
John Euiwhan Kim was born in 1933.