WASHINGTON — Actress Sian Barbara Allen, who played the lead role in “Scream, Pretty Peggy” and was John-Boy’s love interest in two episodes of “The Waltons” during the 1970s, died March 31. She was ...

Sian Barbara Allen, an actress best known for her work on The Waltons, has died. She was 78. Allen’s death was announced in her online obituary, which shared that she died of Alzheimer’s in Chapel ...

Sian Barbara Allen, the beloved star of The Waltons, has died. She was 78. The actress died of Alzheimer's in Chapel Hill, N.C., on Monday, March 31, an online obituary announced. “She lived her final ...