Mariclare Costello
ActorBorn February 6, 1936Died April 17, 2026Peoria, Illinois, USA
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.
Filmography7
Highest-rated first, counting only titles with at least 150 TMDB votes. Talk shows, award nights and appearances as themselves are left out.
