A List Of Things Thrown Five Minutes Ago

I WILL NOT MAKE THIS ERROR WITH ABE VIGODA: With the death of Senator Claiborne Pell, I ask: is there a word for the feeling you have when learning that a public figure or distant relative has died whom you had assumed had died long ago? Premorse? Learning that the person in question still lives is not what I'm after, but a recent death that moots the earlier error.