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Mariclare Costello
ActingBorn February 6, 1936 (90 years old at death)· Died April 17, 2026
Peoria, Illinois, USA
Biography
Mariclare Catherine Costello (February 3, 1936 – April 17, 2026) was an American actress. She was a lifetime member of The Actors Studio. Costello's 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 short-lived drama show The Fitzpatricks.
Also known as: Mariclare Catherine Costello
Popularity: 1
Total credits: 32
