About John O'Callaghan
Lived 1865 – 1913 (aged 47–48). John O'Callaghan was an American journalist.
John O'Callaghan (?–1913) was National Secretary of the United Irish League and a staff writer on The Boston Globe.
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Important facts
People in John O'Callaghan's life
Named in this biography and alive at the same time
Related people
Same field, nearest in time
Contemporaries
People whose lives overlapped John O'Callaghan's
Frequently asked questions
Who was John O'Callaghan?
journalist
When was John O'Callaghan born?
John O'Callaghan was born in 1865.
When did John O'Callaghan die?
John O'Callaghan died in 1913.
What was John O'Callaghan's occupation?
John O'Callaghan was a journalist.
What nationality was John O'Callaghan?
John O'Callaghan was American.
Sources & further reading
· DBpedia: John O'Callaghan (politician)
Cite this page
APA: Biography.guide. (2026). John O'Callaghan. https://biography.guide/john-o-callaghan-journalist/
MLA: "John O'Callaghan." Biography.guide, https://biography.guide/john-o-callaghan-journalist/.
Chicago: "John O'Callaghan." Biography.guide. https://biography.guide/john-o-callaghan-journalist/.
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