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Mariclare Costello

American actress

  • Fame49.7
  • Momentum0.0
  • Wikipedia4.9K
Source-basedFalling
Lived 1936–2026, aged 90United States
United StatesUnited StatesActorsActor
  • Wikipedia
    12 languages
    Cross-language footprint
  • Era
    1936–2026
    Aged 90
  • Known for
    Indecent Proposal
    1993
Summary
Updated 2026-06-14

Mariclare Catherine Costello 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.

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Score breakdown

The six component signals behind the Fame score, and their ranks across the leaderboards.

Fame
Falling
49.7
Composite of search demand, mentions, audience & graph footprint.
Score components
Historical10.7
Source confidence65.0
Completeness75.0
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