

December 2, 1956 – May 27, 2025
David Ray Livingston, a devoted husband, father, son, brother, and patriot, passed away on May 27, 2025, after a graceful and prolonged battle with cancer. He was 68 years old and resided in Rancho Cucamonga, California.
David lived a life defined by commitment and compassion. A proud veteran, he served as a medic in the Army National Guard. He earned the Airborne Tab as a paratrooper and became a Green Beret in the Special Forces. As a medic, he dedicated himself to the well-being of his fellow soldiers. After his military service, he continued his commitment to protecting others as a safety officer in industry until his retirement.
Dave is survived by his loving wife, Adi Livingston; his sons, Daniel Livingston and Nathan Livingston; his father, Ronald B. Livingston; his mother, Joyce Aitken Livingston; and his siblings, Paul Dee Livingston, Kathy Livingston King, Kevin Craig Livingston, Douglas Ron Livingston, and Shari Livingston King. He was preceded in death by his first wife, Karen Bryner Livingston.
The Livingston family extends heartfelt thanks to the many medical professionals who supported Dave with such care and determination during his illness. Their kindness and dedication brought comfort during a difficult time.
David’s life was one of purpose and concern for others in need. He will be deeply missed and forever remembered by all who knew him.
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