It's surprisingly short.
That's because....
http://en.wikipedia.org/wiki/Category:Former_Grand_Ole_Opry_members
Category:Former Grand Ole Opry members From Wikipedia, the free encyclopedia Jump to: navigation, search
Performers who left or resigned from Opry membership or were removed from the membership roster by Opry management. Opry members are also taken off the roster upon their death.
There are 90 former members, by the way. Hmmmm, I thought they remained members, like the Football Hall of Fame or Rock and Roll Hall of Fame. I wonder if they are allowed to do former members material.