Priscilla Morrill ( June 4 , 1927 -- November 9 , 1994 ) was an American actress best known for her television performance as Lou Grant 's wife on `` The Mary Tyler Moore Show '' .
Priscilla Morrill ( June 4 , 1927 -- November 9 , 1994 ) was an American actress . She was well-known for playing Edie Grant on `` The Mary Tyler Moore Show '' .