Sorry to hear this. Never met her and I know she went through a lot with her family but sad she has passed.
IF you have access to any of her provider data such as her Yahoo group, I suggest you go delete the group immediately.
You also need to send an email to the ECCIE staff,
staff@eccie.net asking them to disable and guest her account and scrub her sig line.
Not sure what the site policy is on providers who have passed away so maybe they will actually remove all reviews and ads.
Again, sorry for your loss.