Died at 72
female
Actress best known for playing the Klingon Lursa Duras, one of the villainess Duras sisters in Star Trek: TNG and Deep Space 9.
Barbara March
1990
for 1990 in Actresses who could have played Red Sonja from every decade
Suggested by aleksimalkavaara
For this, I'm counting Red Sonya, created by Robert E. Howard, and the Red Sonja, created by Roy Thomas, as the same character to justify including decades before 70's.