William O'Brien, 4th Earl of Inchiquin
The Earl of Inchiquin | |
|---|---|
| Personal details | |
| Born | Ireland |
| Died | Ireland |
| Spouse | Lady Anne Hamilton |
| Parents |
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| Occupation | Politician |
William O'Brien, 4th Earl of Inchiquin, KB, PC(I) (1700 – 18 July 1777) was an Irish peer, Chief of Clan O'Brien, and Whig politician who sat in the House of Commons between 1722 and 1754.