Please, please no more anecdotal stuff. I was looking for an elegant answer, not "I know of several cases...", 'cos, do you know, I do too.
So let's just stick with the death date.
Without wishing to be too cynical, people died before they were buried. I have their burial date. I have put in the death date as before the burial date. If the burial date is Christmas day 1650, the profile heading says bef.1650. This is wrong.