William O'Neill, 1st Baron O'Neill
Reverend The Honourable The Lord O'Neill | |
|---|---|
O'Neill Conroy family tree | |
| Member of the House of Lords | |
Lord Temporal | |
| In office 11 April 1868 – 18 April 1883 | |
| Preceded by | Peerage created |
| Succeeded by | The 2nd Baron O'Neill |
| Personal details | |
| Born | William Chichester 4 March 1813 |
| Died | 18 April 1883 (aged 70) |
Reverend William O'Neill, 1st Baron O'Neill (4 March 1813 – 18 April 1883), was an Anglo-Irish hereditary peer, clergyman and musical composer. Born William Chichester, he changed his surname to O'Neill in 1855.