About Jack O'Brien
Lived 1860 – 1910 (aged 50). Jack O'Brien was an American baseball player.
John K. O'Brien (born John K. Byrne, June 12, 1860 – November 20, 1910) was an American Major League Baseball player. He played primarily catcher and first base from 1882 to 1890 in the American Association.
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Important facts
People in Jack O'Brien's life
Named in this biography and alive at the same time
Related people
Same field, nearest in time
Contemporaries
People whose lives overlapped Jack O'Brien's
Frequently asked questions
Who was Jack O'Brien?
American baseball player (1860-1910)
When was Jack O'Brien born?
Jack O'Brien was born on 12 June 1860 in Philadelphia.
When did Jack O'Brien die?
Jack O'Brien died on 20 November 1910 in Philadelphia.
What was Jack O'Brien's occupation?
Jack O'Brien was a baseball player.
What nationality was Jack O'Brien?
Jack O'Brien was American.
Sources & further reading
· DBpedia: Jack O'Brien (catcher)
Cite this page
APA: Biography.guide. (2026). Jack O'Brien. https://biography.guide/jack-o-brien-baseball-player-1860/
MLA: "Jack O'Brien." Biography.guide, https://biography.guide/jack-o-brien-baseball-player-1860/.
Chicago: "Jack O'Brien." Biography.guide. https://biography.guide/jack-o-brien-baseball-player-1860/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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