This is my husband's story, from about 40 years ago....
He was a student at a boarding school in Massachusetts; his parents lived in Trinidad at the time, and the Thanksgiving break was too short for him to get to Trinidad and back. He spent several Thanksgivings with the dorm masters, etc, but the one he remembers most vividly is being asked to go home with one of the other kids.
Thanksgiving was A Very Big Day at that house... a big farmhouse out in the woods in rural Pennsylvania. Porch railings with cooling pies all lined up; extra tables made of plywood sheets and sawhorses set up, and relatives, relatives of relatives, friends of relatives and relatives of friends. There's a knock on the door about an hour before dinner was served, and it's a pair of newlyweds. Host offers them drinks, tells them where various activity groups are located, and they settle in to socialize.
Just before dessert, there have been enough family stories told that the couple looked at each other uneasily, and then finally one asked if this was 123 Cherry Lane. No, it's 456 Elm Road, Cherry Lane is about half a mile north. That's when everyone realized that Newlyweds weren't related to a soul at this house, and were actually expected at dinner at Cherry Lane. Calls were made (dinner was being held at the other house), apologies all around, and the couple was sent on their way with a guide and a pie as a peace offering.
DH says it was his idea of the perfect Thanksgiving.