Mariclare Costello
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.
Born
Feb 06, 1936
Peoria, Illinois, USA
Died
Apr 17, 2026
Known For
Acting
Movies
24 acting
0 crew
Popularity
0.7
Known For
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