William O'Neill, 1st Baron O'Neill

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 byPeerage created
Succeeded byThe 2nd Baron O'Neill
Personal details
BornWilliam Chichester
4 March 1813
Died18 April 1883(1883-04-18) (aged 70)
Spouse(s)
Henrietta Torrens
(m. 1839; died 1857)

Elizabeth Grace Torrens
(m. 1858)
ChildrenEdward O'Neill, 2nd Baron O'Neill
Robert Torrens O'Neill

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.