One of those strikingly familiar matrons you just can't place, character actress Mary Jackson is probably best known for her recurring role as one of the delightfully eccentric bootlegging sisters, "Miss Emily" Baldwin, on the series The Waltons (1971) that ran for nine seasons. She was born November 22, 1910 in rural Milford, Michigan, and earned a bachelor's degree from West Michigan University in 1932. A Depression-era school teacher for one year before pursuing her interest in theater, she returned to college (this time Michigan State Univ…