About Leo P. O'Brien
Lived 1893 – 1968 (aged 74). Leo P. O'Brien was an American politician.
Leo P. O'Brien (July 20, 1893 – March 25, 1968) was a member of the Wisconsin State Senate from the 2nd District.
Biography O'Brien was born on July 20, 1893, in Fond du Lac, Wisconsin. He attended the University of Wisconsin-Madison, Marquette University and St. Norbert College. During World War I and World War II, he served with the United States Navy.
Political career O'Brien was a member of the Senate from 1953 to 1964. He was a Republican.
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Important facts
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Contemporaries
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Frequently asked questions
Who was Leo P. O'Brien?
American politician (1893-1968)
When was Leo P. O'Brien born?
Leo P. O'Brien was born on 20 July 1893 in Fond du Lac.
When did Leo P. O'Brien die?
Leo P. O'Brien died on 25 March 1968 in Green Bay.
What was Leo P. O'Brien's occupation?
Leo P. O'Brien was a politician.
What nationality was Leo P. O'Brien?
Leo P. O'Brien was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Leo P. O'Brien. https://biography.guide/leo-p-o-brien/
MLA: "Leo P. O'Brien." Biography.guide, https://biography.guide/leo-p-o-brien/.
Chicago: "Leo P. O'Brien." Biography.guide. https://biography.guide/leo-p-o-brien/.
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