Personal Info
Known For
Acting
Birthday
1936-02-06
Place of Birth
Peoria, Illinois, USA
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
as Mrs. Rosemary Fordwick
as Maggie Fitzpatrick
as Cassie Latham Burns
as Mother Mary Catherine
as Audrey
as David's Mother
as Anita Boyer
as Kay Wallace
as Mary Alice Duncan
as Louise Larsen
as Susan Finn
as Antoinette Slovik
as Adele Cooney (segment "The Bishop of Battle")
as Diane Gordon
as Ellen Mancini
as Kathy Patterson
as Emma Spencer
as Pat Morris
as Jane Bladow
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