^Your best and easiest place to find out is on IAFD. I can't guarantee that their info is up to date all the time but they do a more than adequate job of reporting the passing of performers. I'm including a link but if you don't want to visit the site the Chayse should still be alive.
http://www.iafd.com/person.rme/perfid=chayseevans/gender=f/chayse-evans.htm

[Link]