June Lockhart, one of the most beloved stars of America’s Golden Age of television, has passed away just months after turning 100. Best known for her iconic roles in Lassie and Lost in Space, she was a household name whose presence lit up living rooms across generations. News of her death on October 25 sparked a wave of sadness and nostalgia across social media.

Fans mourned deeply, calling her a “legend,” “a traveler among the stars,” and thanking her for the memories. Lockhart passed peacefully on October 23, 2025, in Santa Monica, surrounded by her daughter and granddaughter. Her death was confirmed to be from natural causes.

Born into a family of actors, Lockhart began performing at the age of eight and made her film debut in the 1938 classic A Christmas Carol, acting alongside her parents. She later starred in films such as Meet Me in St. Louis before transitioning to television, where she became widely adored as the nurturing Ruth Martin in Lassie and later as the intelligent, composed Dr. Maureen Robinson in Lost in Space.

Her legacy stretched far beyond her screen roles. Co-stars remembered her as warm, determined, and professional, often calling her a “second mother.” Even into her later years, she continued to act, with her final cameo appearing in the 2021 reboot of Lost in Space—a full-circle moment for a star who spent a lifetime among TV’s most cherished families. June Lockhart now joins the stars she once guided viewers among, leaving behind a legacy of grace, strength, and timeless charm.