Mariclare Costello

Personal Info

Known For

Acting

Born

February 6, 1936

Died

April 17, 2026 (age 90)

Place of Birth

Peoria, Illinois, USA

Also Known As

Mariclare Catherine Costello

Mariclare Costello

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.

Known For

Filmography

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