My grandfather died 16 years ago. Several years after that, when we moved my grandmother into an assisted living facility, I bought nana and grandpa's house. I've lived here for 7 1/2 years and very infrequently I get mail addressed to one or the other of them--often solicitations for money.
Today I received mail from Chase addressed to my grandfather. It felt like a credit card so I opened it--and sure enough, there was not one but two credit cards in grandpa's name. Remember, he died 16 years ago. You'd think a bank as big as Chase wouldn't have to use such old lists.