Mariclare Costello

“The Waltons” Actress Mariclare Costello Dies at 90: 'Her Gift Was Rare,' Says Family

Allan Arbus and wife Mariclare Costello Photo (April 2, 2007)

Mariclare Costello Dies: ‘The Waltons’ Actor Was 90

Mariclare Costello, ‘The Waltons,’ ‘Let’s Scare Jessica to Death’ actress, dies at 90

'The Waltons' Actress Mariclare Costello Dead at 90

Meet The Waltons star Mariclare Costello's only child – who followed her into showbiz - HELLO! Magazine

Mariclare Costello passes away at 90; family remembers 'The Waltons' actress: ‘Her gift was rare’

Mariclare Costello, 'The Waltons' actress, dies at 90

Mariclare Costello dead: The Waltons star dies aged 90 as family issue tribute

“Waltons” actress Mariclare Costello dies at 90

'The Waltons' Star Mariclare Costello Dead at Age 90

The Waltons actress Mariclare Costello dies aged 90 as family shares touching tribute - HELLO! Magazine

Mariclare Costello, Teacher Rosemary On ‘The Waltons’, Dies At 90

Mariclare Costello, 'The Waltons actress, dies at 90

‘Let’s Scare Jessica to Death’ Actress Mariclare Costello Has Passed Away

Mariclare Costello of ‘Let’s Scare Jessica to Death’ Has Passed Away

Mariclare Costello, Beloved Actress of "The Waltons" and Cult Horror Classic, Dies at 90

'The Waltons' Actress Mariclare Costello Dead at 90

Mariclare Costello Dies: ‘The Waltons’ Actor Was 90

Mariclare Costello, Actress in ‘The Waltons’ and ‘Let’s Scare Jessica to Death,’ Dies at 90

“Waltons” actress Mariclare Costello dies at 90

Mariclare Catherine Costello Arbus Obituary Apr 17, 2026