Jack O'Brien
From Wikipedia, the free encyclopedia
Jack O'Brien may refer to:
- Jack O'Brien (catcher) (1860–1910)
- Jack O'Brien (outfielder) (1873–1933), American baseball player
- Philadelphia Jack O'Brien (1878–1942), American Boxer, former light heavyweight boxing champion of the world
- Young Jack O'Brien (unknown), American Boxer, younger brother of Philadelphia Jack O'Brien
- Jack O'Brien (cartoonist) (fl. 1950s) , see Sad Sack
- Jack O'Brien (director), American theatre director and producer
- Jack O'Brien (editor) (born 1980), American editor
- Jack O'Brien (wrestler) (1910-1982), American-born Mexican professional wrestler
- Jack O'Brien (statistician) (born 1980), statistician
[edit] See also
- John O'Brien (disambiguation)
- Jack O'Brian, journalist
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