Mariclare Costello, best known to audiences for her role as teacher Rosemary Hunter on The Waltons, has passed away at the age of 90. According to an obituary published in the Peoria Journal Star, she died on the morning of April 17 in Brooklyn, New York. Her family described her as someone with a rare gift for helping others discover their own creativity and confidence, leaving a lasting impact both on and off the screen.
For many viewers, Costello will always be remembered as part of the heart of The Waltons, a series celebrated for its warmth, strong values, and meaningful storytelling. Her portrayal of Miss Hunter, the local schoolteacher, made her a memorable presence during the show’s early seasons. Though her role was not the largest, it carried a quiet strength that resonated with audiences and contributed to the sense of community that defined Walton’s Mountain.....
