About Demie Mainieri
Lived 1928 – 2019 (aged 90). Demie Mainieri was an American baseball player.
Demie J. Mainieri (October 21, 1928 – March 13, 2019) was an American college baseball head coach who was the first junior college coach to win 1,000 career games.
Biography Mainieri was from Jersey City, New Jersey and attended Lincoln High School. He graduated from West Virginia University in 1963 with a Ph.D. in education and administration. He served as an assistant coach in college football at Columbia University under head coach Lou Little. He was named athletic director in 1963. Mainieri became the first junior college coach to win 1,000 career games. Mainieri won 1,012 games at Miami-Dade.
Mainieri's son, Paul Mainieri, was the head coach for the LSU Tigers baseball team from 2007 until his retirement at the conclusion of the 2021 season. In 2014, Mainieri was elected into the National College Baseball Hall of Fame.
On March 13, 2019, Mainieri died at the age of 90.
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Important facts
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Frequently asked questions
Who was Demie Mainieri?
American baseball player (1928-2019)
When was Demie Mainieri born?
Demie Mainieri was born on 21 October 1928.
When did Demie Mainieri die?
Demie Mainieri died on 13 March 2019.
What was Demie Mainieri's occupation?
Demie Mainieri was a baseball player.
What nationality was Demie Mainieri?
Demie Mainieri was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Demie Mainieri. https://biography.guide/demie-mainieri/
MLA: "Demie Mainieri." Biography.guide, https://biography.guide/demie-mainieri/.
Chicago: "Demie Mainieri." Biography.guide. https://biography.guide/demie-mainieri/.
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