About John Marshall
Lived 1945 – 2021 (aged 76). John Marshall was an American coach.
John Marshall (October 2, 1945 – November 2, 2021) was an American football coach. His final NFL stop was defensive coordinator for the Oakland Raiders from 2009–2010.
Marshall, a coaching veteran of over 40 years, was mostly associated with coaching linebackers. He earned two Super Bowl rings during his time with the San Francisco 49ers, where he was an assistant.
Marshall coached linebackers for the Detroit Lions in 2002, where he was on the staff of Marty Mornhinweg. Marshall had previously served as defensive coordinator under Steve Mariucci with the San Francisco 49ers in 1997 and 1998. Marshall died in 2021 at the age of 76; he had prostate cancer in his later years.
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Important facts
People in John Marshall's life
Named in this biography and alive at the same time
Related people
Same field, nearest in time
Contemporaries
People whose lives overlapped John Marshall's
Frequently asked questions
Who was John Marshall?
American football player and coach (1945–2021)
When was John Marshall born?
John Marshall was born on 2 October 1945 in Grover Beach.
When did John Marshall die?
John Marshall died on 2 November 2021.
What was John Marshall's occupation?
John Marshall was a coach.
What nationality was John Marshall?
John Marshall was American.
Sources & further reading
· DBpedia: John Marshall (American football)
Cite this page
APA: Biography.guide. (2026). John Marshall. https://biography.guide/john-marshall-coach/
MLA: "John Marshall." Biography.guide, https://biography.guide/john-marshall-coach/.
Chicago: "John Marshall." Biography.guide. https://biography.guide/john-marshall-coach/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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