"I did find her death certificate which says she was cremated. The cemetery records at Mountain View Cemetery in Walla Walla references the crematorium and has a burial date at Mountain View of July 26, 1979. Find a Grave has removed the disputed…"
"It’s not all that unusual for grave markers to have a wrong date on them. According to IMDB she was in a few shows released in 1978, so 1979 would seem a more likely death year as opposed to 1977.
This California death record has a 1979 death year…"