John O'Neill, 1st Viscount O'Neill

rdf:langString John O'Neill, 1st Viscount O'Neill

rdf:langString Charles O'Neill 1760–1761

rdf:langString Edward Jones-Agnew 1792–1793

rdf:langString Hon. Hercules Rowley 1783–1792

rdf:langString James St John Jeffereyes 1771–1781

rdf:langString Lord Rawdon 1781–1783

rdf:langString St John O'Neill 1761–1771

rdf:langString Member of Parliament for County Antrim

rdf:langString Member of Parliament for Randalstown

rdf:langString John O'Neill, 1st Viscount O'Neill PC (16 January 1740 – 18 June 1798) was an Irish politician. O'Neill was the son of , Member of Parliament for Randalstown, by Catherine Brodrick, daughter of St John Brodrick, of Midleton, County Cork. He was returned to the Irish House of Commons for Randalstown in 1760, a seat he held until 1783, and then represented County Antrim between 1783 and 1793. He was sworn of the Irish Privy Council in 1781 and raised to the Peerage of Ireland as Baron O'Neill, of Shane's Castle in the County of Antrim, in 1793. In 1795 he was further honoured when he was made Viscount O'Neill, of Shane's Castle in the County of Antrim, in the Irish peerage. Lord O'Neill married the Honourable Henrietta Boyle, daughter of , in 1777. He was killed in the Battle of Antrim during the Irish Rebellion of 1798 at the age of 58 and was succeeded in the viscountcy by his son Charles, who was created Earl O'Neill in 1800.