Captain William Henry O'Shea was an Irish soldier and Member of Parliament. He is best known for being the ex-husband of Katharine O'Shea, the long-time mistress of the Irish nationalist leader Charles Stewart Parnell.
- Occupation
- politician
- Position held
- member of the 23rd Parliament of the United Kingdom, member of the 22nd Parliament of the United Kingdom
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- 1840
- Died
- 1905, April 22, 1905