Mariclare Costello

Mariclare Costello

Acting
Born
February 6, 1936 in Peoria, Illinois, USA
Died
April 17, 2026
Age
Died at age 90

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