Wyoming – Phyllis Gilliam, the longtime costume supervisor for television productions including “Georgie & Mandy’s First Marriage,” has died at the age of 67.
Family members confirmed the death on March 23, 2026, with her obituary saying, “On that day, the world was a little bit less light” .
According to family statements, Gilliam had been battling Stage IV cancer in recent months following a diagnosis in 2024. Additional details surrounding her death have not yet been publicly disclosed, though she passed away surrounded by loved ones in the ICU .
Known for her meticulous work in costume design and supervision across nearly 30 years in Hollywood, Gilliam built a lasting reputation as one of the most respected figures in television wardrobe departments. Over the course of her career, she became widely respected for ensuring visual storytelling continuity and bringing costume designers’ visions to life on set .
Career and Public Impact
Born in Mobile, Alabama, and raised in a family with seven sisters and one brother, Gilliam began her career in costume design after discovering her passion for theater while pursuing a bachelor’s degree at Xavier University of Louisiana . She later earned a master’s degree in the field from the University of Houston before moving to Los Angeles in the 1980s to pursue her dream .
She gained national attention for her work as costume supervisor on “Georgie & Mandy’s First Marriage,” the “Young Sheldon” spinoff, where she served during both Seasons 1 and 2 of the CBS comedy . During her time in the industry, Gilliam played a central role in productions including “Marvel’s Agent Carter,” “Ghosts,” “The Upshaws,” “Miracle Workers,” “Home Economics,” “Mob City,” “Numb3rs,” and the film “Role Models” .
One of her most notable achievements included supervising wardrobe for the 2008 Universal Pictures film “Role Models,” which achieved a global box office gross of over $100 million . The work helped shape period-accurate storytelling, particularly on Marvel’s “Agent Carter,” where she oversaw strict 1940s-era costume continuity across episodes filmed out of chronological sequence .
In addition to professional success, Gilliam was admired for her kindness, generosity, and beautiful spirit. Colleagues and supporters often described her as “always the first to help others with a smile on her face, regardless of the circumstances” .
Personal Life and Advocacy
Beyond her public career, Gilliam was also known for her devotion to family and her loving marriage. She married Murray Gilliam, a U.S. Marine Corps veteran and personal trainer, on June 14, 1997 .
In 2024, Murray received a devastating Stage IV cancer diagnosis. After nearly a year of his treatment, Phyllis received the same diagnosis . “They spent the next year and a half courageously battling this terrifying condition, their love growing stronger even amidst the uncertainty and sadness that follows this disease,” her obituary read .
Murray passed away in January 2026. At his funeral, Gilliam was described as holding the flag close to her chest and gazing at the sky, saying, “I got your flag, honey, I got it” .
Friends and admirers frequently praised her willingness to face adversity with grace while continuing to bring warmth to those around her.
Tributes and Reactions
Following news of her death, tributes quickly poured in from colleagues, friends, and supporters.
“Georgie & Mandy’s First Marriage” honored Gilliam with a title card at the end of the Season 2 finale that read: “In loving memory, Phyllis Gilliam, January 26, 1956 – March 23, 2026” .
Her son, Robert Gilliam, wrote on a GoFundMe page: “She was a gifted seamstress and spent nearly 30 years working as a costume designer in television. Any person she came across on set will attest to how uncompromisingly kind she was” .
Another tribute from her obituary stated, “Anyone who worked with Phyllis can attest to what a beautiful spirit she had” .
Legacy
Even during her illness, Gilliam remained dedicated to her craft, continuing to contribute to “Georgie & Mandy’s First Marriage” through much of her treatment.
Her legacy is expected to endure through the countless productions shaped by her expertise and the colleagues who learned from her example of professionalism and kindness.
Gilliam is survived by her two children, Susan and Robert .
Funeral arrangements and memorial service details have not yet been publicly announced.