Drs. Smith & Jones for example
Yes, it is proper to address a widow by her last married name.
I think it would be proper to address the two married PhDs as Drs. John & Jane Doe
The correct way to address a gift is "Mr. & Mrs. James Smith". The couple is already married so it is proper to address it this way.
* Senor & Senora ____________________. Senorita is single, Senora is married.
Just as " Chef " is appropiate for either sex, regardless of marital status.
Yes as long as you have the proper paperwork done.
The proper way to address a female boss in writing is to use Dear Miss and then the name. If she is married then use Ms. or Mrs. instead.
you can do it either way but when i got married i did it the Mrs. Michael Smith way.
If you are addressing a married couple who are both doctors you can address them two ways. You can address them by either stating Drs. Jack and Jill Smith or Dr. Jack Smith and Dr. Jill Smith.
what is the proper way to address the mayor
Proper old wold style is to say: Mr. and Mrs. (man's first name)(married last name) new acccepted standard is: Mr. and Mrs. (married last name)
I wouldn't. These days, you could print your own labels and use those.