

Mariclare Costello
Acting•Born February 6, 1936•Died April 17, 2026 (age 90)•Peoria, Illinois, USA
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
Filmography
Personal Info
DepartmentActing
BirthdayFebruary 6, 1936
Day of DeathApril 17, 2026
Place of BirthPeoria, Illinois, USA
Popularity0.5






