The Lord Rathcavan | |
|---|---|
| Father of the House of Commons | |
| In office 25 October 1951 – 8 October 1952 | |
| Preceded by | The 6th Earl Winterton |
| Succeeded by | David Grenfell |
| Member of the House of Lords Lord temporal | |
| In office 11 February 1953 – 28 November 1982 Hereditary Peerage | |
| Succeeded by | The 2nd Baron Rathcavan |
| Member of Parliament for North Antrim Antrim (1922–1950) Mid Antrim (1915–1922) | |
| In office 17 February 1915 – 8 October 1952 | |
| Preceded by | Arthur O'Neill |
| Succeeded by | Phelim O'Neill |
| Personal details | |
| Born | 8 June 1883 |
| Died | 28 November 1982 (aged 99) |
| Nationality | British |
| Political party | Irish Unionist Ulster Unionist |
Robert William Hugh O'Neill, 1st Baron Rathcavan, PC, PC (Ire), DL (8 June 1883 – 28 November 1982), known as Sir Hugh O'Neill, 1st Baronet, from 1929 to 1953, was an Ulster Unionist member of both the Parliament of the United Kingdom and the Parliament of Northern Ireland.