Grandma from 'Happy Gilmore' -- Dead at 92

Frances Bay -- famous for playing Adam Sandler's grandma in "Happy Gilmore" -- passed away Thursday at the age of 92 ... her agent confirms.

Bay spent most of her life as a housewife -- deciding to pursue a career as an actress in the 1970's -- when she was already in her mid-50's.

In addition to playing the grandma on "Happy Gilmore" -- she also guest-starred as the Fonz's grandma on "Happy Days".