Lynne Marie Stewart, known for her roles in Pee-wee’s Playhouse and It’s Always Sunny in Philadelphia, has passed away at the age of 78. The news of her death was shared by her friend, actress Cassandra “Elvira” Peterson, who took to Instagram to express her grief. In a heartfelt tribute, Peterson described Stewart as one of the kindest, sweetest, and funniest women, highlighting her iconic portrayal of Miss Yvonne in Pee-wee’s Playhouse.
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Stewart’s close friend, Jonathan Stark, also mourned her passing on Facebook, reminiscing about her role as Miss Yvonne and expressing deep sorrow at the loss of her goodness and light. Stewart, who played The Most Beautiful Woman in Puppetland on Pee-wee’s Playhouse from 1986 to 1990, had a longstanding friendship with the show’s star and creator, Paul Reubens. Reubens, who passed away in July 2023, collaborated with Stewart on several Pee-wee projects.

Having started her career in the 1970s with the sketch comedy troupe the Groundlings, Stewart went on to appear in various films and TV shows, including American Graffiti, Laverne & Shirley, and M*A*S*H. Her most recent and well-recognized role was as Charlie Kenny’s mother in It’s Always Sunny in Philadelphia, which she portrayed from 2005 to 2023. Colleagues and fans alike have paid tribute to Stewart, with former cast member Mary Elizabeth Ellis and SNL star Maya Rudolph sharing heartfelt messages in her memory.
Actor Drew Powell, reflecting on his interactions with Stewart, praised her for her kindness, affirming nature, and unwavering support. He acknowledged the profound impact she had on those around her and the legacy she leaves behind. As news of Stewart’s death spreads, tributes continue to pour in from those who knew and worked with her, underscoring the lasting impression she made on the entertainment industry.
Stewart’s representatives have not yet provided a statement regarding her passing. Despite the sadness surrounding her death, the outpouring of love and admiration for the late actress serves as a testament to the positive influence she had during her career. The legacy of Lynne Marie Stewart, as both an actress and a friend, will undoubtedly endure in the hearts of those who knew and loved her.
The entertainment industry mourns the loss of a beloved talent, and fans of Pee-wee’s Playhouse and It’s Always Sunny in Philadelphia remember Lynne Marie Stewart for her memorable performances and her kindness both on and off the screen. As the world says goodbye to a cherished actress, her work and her spirit will live on in the hearts of those who had the privilege of knowing her.
