Mariclare Costello

Mariclare Catherine Costello February 3 1936 April 17 2026 was an American actress She was a lifetime member of The Actors Studio Costellos most notable role was that of Rosemary Hunter Fordwick on the television series The Waltons from 1972 to 1977 In 1977 after her role on The Waltons she played matriarch Maggie Fitzpatrick on the shortlived drama show The Fitzpatricks