Paul McCartney & Justice Ruth Ginsburg. Can you name a third person of equal prominence who had to deal with rumors of his/her own demise?

Jim Morrison deals with it to this day.

Kevin Bacon.

Not as famous, but Abe Vigoda extended his career with the running joke about him being dead.

https://en.wikipedia.org/wiki/Abe_Vigoda#Mistaken_...

I wonder also about Elvis Presley, who some people think he is still alive, and just left the building

Eh, this is just stock trolling these days. Ginsburg is routinely attacked by conservatives, who can't tell the truth to save their lives.

The classics are that Beaver died in Vietnam and Mikey died from drinking Pepsi and Poprocks.

Clint Eastwood

Mark Twain

Not quite as famous, but there was an untrue rumor that Gene Hackman had died a few years back.

Jackie Chan.

Samuel Clemens.