I do wish newlyweds would let people know what name or names they are using. I assume no name change unless one is specifically noted. Same sex marriages make the guessing game even more fun.
I have to call an uncle to see what his new grandson’s last name is so I can send a gift. The announcement had a first name and what I presume to be a middle name since it doesn’t match either last name. I suspect the child’s last name is hyphenated, but I’d like to be sure.