Leo P. O'Brien

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For the Australian cricketer, see Leo O'Brien. For the U.S. Representative, see Leo W. O'Brien. For the actor, see Leo O'Brien (actor).

Leo P. O'Brien
Member of the Wisconsin Senate
from the 2nd district
In office
Preceded by Fred F. Kaftan
Succeeded by Robert W. Warren
Personal details
Born July 20, 1893
Fond du Lac, Wisconsin
Died March 25, 1968(1968-03-25) (aged 74)
Green Bay, Wisconsin
Political party Republican
Profession Insurance Salesman

Leo P. O'Brien was a member of the Wisconsin State Senate from the 2nd District.


O'Brien was born on July 20, 1893 in Fond du Lac, Wisconsin.[1] He attended the University of Wisconsin-Madison, Marquette University and St. Norbert College.[2][3] During World War I and World War II, he served with the United States Navy. He died in 1968 of a heart attack.[4][5]

Political career[edit]

O'Brien was a member of the Senate from 1953 to 1964. He was a Republican.


  1. ^ "Leo P. O'Brien". Political Graveyard. Retrieved 2011-10-20. 
  2. ^ "O'Brien, Leo P. 1893". Political Graveyard. Retrieved 2011-10-20. 
  3. ^ 'Wisconsin Blue Book 1964,' Biographical Sketch of Leo O'Brien, pg. 22
  4. ^ https://familysearch.org/pal:/MM9.1.1/JRPK-J3G
  5. ^ "Ex-State Senator, Leo P. O'Brien, Dies", Madison Wisconsin State Journal, Tuesday, March 26, 1968, Madison, Wisconsin, United States Of America