‘The Waltons’ Actress Dead at 90: RIP to Mariclare Costello

Mariclare Costello, known for her role as Rosemary Hunter on 'The Waltons', has died at 90. She passed away on April 17 in Brooklyn.
Mariclare Costello, actress and former schoolteacher on the CBS show 'The Waltons', died on April 17 at 90 in Brooklyn. Costello appeared in 15 episodes of 'The Waltons' from 1972 to 1977. Born in 1936 in Peoria, Illinois, she started her career in theater, performing on Broadway and at various companies. She also acted in film and television, including 'Let's Scare Jessica to Death' and 'The Execution of Private Slovik'. Costello is survived by her daughter Arin, granddaughter Bird, and other family members. A funeral service will be held in New York City, with burial in Peoria.
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