Henrietta Frances Boyle
Born: abt 1756
Father: Charles Boyle Lord Viscount Dungarvan
- Born: 20 Feb 1728
- Died: 16 Sep 1759
Mother: Susannah Hoare (daughter of Henry Hoare)
- Born: 1732
- Married: 18 May 1753
- Died: 4 Feb 1783
Husband: John, Viscount O'Neill
- Born: 1740
- Married: 18 Oct 1777
- Children:
- Charles Henry St John O'Neill
- John Bruce Richard O'Neill
- Died: 1798
Died: 1793