Career
O'Neill died at the age of 74. His title became extinct, but his estates passed to a relative, William Chichester, who subsequently assumed the surname O'Neill and received the Barony of O'Neill.
politician Member of Parliament in the United Kingdom
O'Neill died at the age of 74. His title became extinct, but his estates passed to a relative, William Chichester, who subsequently assumed the surname O'Neill and received the Barony of O'Neill.
[2nd United Kingdom Parliament. 3rd United Kingdom Parliament. 4th United Kingdom Parliament.
5th United Kingdom Parliament. 6th United Kingdom Parliament. 7th United Kingdom Parliament.
8th United Kingdom Parliament. 9th United Kingdom Parliament. 10th United Kingdom Parliament.
11th United Kingdom Parliament. 12th United Kingdom Parliament. 13th United Kingdom Parliament]
In 1802 O'Neill was elected Member of Parliament (MP) for Antrim.