William O'Callaghan
From Infogalactic: the planetary knowledge core
(Redirected from William O'Callaghan (disambiguation))
William O'Callaghan may refer to:
- William O'Callaghan (Irish Army officer), Irish Army officer
- William O'Callaghan (politician) (died 1967), Irish senator
- Bill O'Callaghan, hurler
See also
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